Commit Graph

1851 Commits

Author SHA1 Message Date
Leon
774769a7ad
color_config now accepts closures as color values (#7141)
# Description

Closes #6909. You can now add closures to your `color_config` themes.
Whenever a value would be printed with `table`, the closure is run with
the value piped-in. The closure must return either a {fg,bg,attr} record
or a color name (`'light_red'` etc.). This returned style is used to
colour the value.

This is entirely backwards-compatible with existing config.nu files.

Example code excerpt:
```
let my_theme = {
    header: green_bold
    bool: { if $in { 'light_cyan' } else { 'light_red' } }
    int: purple_bold
    filesize: { |e| if $e == 0b { 'gray' } else if $e < 1mb { 'purple_bold' } else { 'cyan_bold' } }
    duration: purple_bold
    date: { (date now) - $in | if $in > 1wk { 'cyan_bold' } else if $in > 1day { 'green_bold' } else { 'yellow_bold' } }
    range: yellow_bold
    string: { if $in =~ '^#\w{6}$' { $in } else { 'white' } }
    nothing: white
```
Example output with this in effect:
![2022-11-16 12 47 23 AM - style_computer
rs_-_nushell_-_VSCodium](https://user-images.githubusercontent.com/83939/201952558-482de05d-69c7-4bf2-91fc-d0964bf71264.png)
![2022-11-16 12 39 41 AM - style_computer
rs_-_nushell_-_VSCodium](https://user-images.githubusercontent.com/83939/201952580-2384bb86-b680-40fe-8192-71bae396c738.png)
![2022-11-15 09 21 54 PM - run_external
rs_-_nushell_-_VSCodium](https://user-images.githubusercontent.com/83939/201952601-343fc15d-e4a8-4a92-ad89-9a7d17d42748.png)

Slightly important notes:

* Some color_config names, namely "separator", "empty" and "hints", pipe
in `null` instead of a value.
* Currently, doing anything non-trivial inside a closure has an
understandably big perf hit. I currently do not actually recommend
something like `string: { if $in =~ '^#\w{6}$' { $in } else { 'white' }
}` for serious work, mainly because of the abundance of string-type data
in the world. Nevertheless, lesser-used types like "date" and "duration"
work well with this.
* I had to do some reorganisation in order to make it possible to call
`eval_block()` that late in table rendering. I invented a new struct
called "StyleComputer" which holds the engine_state and stack of the
initial `table` command (implicit or explicit).
* StyleComputer has a `compute()` method which takes a color_config name
and a nu value, and always returns the correct Style, so you don't have
to worry about A) the color_config value was set at all, B) whether it
was set to a closure or not, or C) which default style to use in those
cases.
* Currently, errors encountered during execution of the closures are
thrown in the garbage. Any other ideas are welcome. (Nonetheless, errors
result in a huge perf hit when they are encountered. I think what should
be done is to assume something terrible happened to the user's config
and invalidate the StyleComputer for that `table` run, thus causing
subsequent output to just be Style::default().)
* More thorough tests are forthcoming - ran into some difficulty using
`nu!` to take an alternative config, and for some reason `let-env config
=` statements don't seem to work inside `nu!` pipelines(???)
* The default config.nu has not been updated to make use of this yet. Do
tell if you think I should incorporate that into this.

# User-Facing Changes

See above.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace --features=extra -- -D warnings -D
clippy::unwrap_used -A clippy::needless_collect` to check that you're
using the standard code style
- `cargo test --workspace --features=extra` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-17 07:07:56 -06:00
Reilly Wood
e72cecf457
Remove unnecessary echo uses from examples (#7500)
`echo` tends to confuse new Nu users; they expect it to work like
`print` when it just passes a value to the next stage of the pipeline.

We haven't quite figured out what to do about `echo` in the long run,
but I think a good start is to remove `echo` from command examples where
it would be unnecessary and arguably unidiomatic.
2022-12-16 11:51:00 -05:00
Maxim Zhiburt
9c1a3aa244
nu-explore/ A few things (#7339)
ref #7332

Signed-off-by: Maxim Zhiburt <zhiburt@gmail.com>
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
2022-12-16 09:47:07 -06:00
pwygab
2d07c6eedb
ensure get doesn't delve too deep in nested lists (#7497)
# Description

Fixes #7494.

```
/home/gabriel/CodingProjects/nushell〉[[{foo: bar}]] | get foo          12/16/2022 12:31:17 PM
Error: nu::parser::not_found (link)

  × Not found.
   ╭─[entry #1:1:1]
 1 │ [[{foo: bar}]] | get foo
   · ───────┬──────
   ·        ╰── did not find anything under this name
   ╰────

```

# User-Facing Changes

cell paths no longer drill into nested tables.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-15 22:03:38 -08:00
Maxim Zhiburt
080874df10
Fix #7486 (#7487)
close #7486

Signed-off-by: Maxim Zhiburt <zhiburt@gmail.com>
2022-12-15 09:55:15 -08:00
Reilly Wood
e215fbbd08
Add helper method to check whether ctrl+c was pressed, adopt it (#7482)
I've been working on streaming and pipeline interruption lately. It was
bothering me that checking ctrl+c (something we want to do often) always
requires a bunch of boilerplate like:
```rust
use std::sync::atomic::Ordering;

if let Some(ctrlc) = &engine_state.ctrlc {
     if ctrlc.load(Ordering::SeqCst) {
          ...
```
I added a helper method to cut that down to:

```rust
if nu_utils::ctrl_c::was_pressed(&engine_state.ctrlc) {
    ...
```
2022-12-15 09:39:24 -08:00
Maxim Zhiburt
33aea56ccd
Try to fix #7380 (#7446)
fix https://github.com/nushell/nushell/issues/7380
2022-12-15 08:47:04 -06:00
Darren Schroeder
b6683a3010
add --long flag to history command for sqlite history (#7480) 2022-12-15 08:46:32 -06:00
WindSoilder
578ef04988
remove output, append, bin flag from fetch command (#7468)
Closes https://github.com/nushell/nushell/issues/7439
2022-12-14 16:44:04 -06:00
Stefan Holderbach
735a7a21bd
Add example showing first class closure to do (#7473)
# Description

Demonstrates that you can use `do` to execute stored closures and
evaluate their captures properly.

# Tests + Formatting

As an example test increases coverage of the usage to execute first
class closures.
Additional tests using that found in
`tests/shell/pipeline/commands/internal.rs`
2022-12-14 20:55:00 +01:00
Reilly Wood
80a69224f7
Handle ctrl-c in uniq and uniq-by (#7478)
A partial fix for #7477. `uniq` can be slow sometimes, so we should
check `ctrl-c` when it's running.

Tested on [this
file](https://home.treasury.gov/system/files/276/yield-curve-rates-1990-2021.csv),
I ran `open yield-curve-rates-1990-2021.csv | uniq` and confirmed that I
can now cancel the operation.

Future work is needed to figure out why `uniq` is so slow.
2022-12-14 11:31:54 -08:00
WindSoilder
e0bf17930b
refactor: introduce is_external_failed to PipelineData, and simplify try logic (#7476)
# Description

Just spot that there are some duplicate code about checking external
runs to failed, is pr is trying to refactor it and reduce lines of code

# User-Facing Changes

NaN

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-14 10:25:32 -08:00
WindSoilder
db3177a5aa
break for, loop, while execution when external command runs to failed (#7475)
Fixes: #7467

# User-Facing Changes

## for
```
❯ for i in 1..2 { echo 1;  ^false }
1
```

## loop
```
❯ loop { echo bb; ^false }
bb
```

## while
```
❯ mut x = 1; while $x < 3 { $x = $x + 1; echo bb; ^false }
bb
```
2022-12-14 16:20:18 +01:00
Leon
52278f8562
Help messages: edit various instances of "block" to "closure" (#7470) 2022-12-14 14:02:41 +01:00
Reilly Wood
d9d9916ccc
Fix streaming page missing newline (#7466)
Fixes #7342. `0..1000 | table` before this change:


![image](https://user-images.githubusercontent.com/26268125/207474492-dead4267-d828-4840-8da0-4edfda3e3916.png)

`0..1000 | table` after this change:


![image](https://user-images.githubusercontent.com/26268125/207474583-26633db0-46c5-4c30-8681-654855e7042b.png)

When piping data to `table`, pages were not getting a newline at the
end[^1]. This problem was uncovered and exacerbated by the new
`display_output` hook which implicitly piped _everything_ to `table`.

## The Fix

`PagingTableCreator` now adds a newline to each page instead of relying
on later code to do it.

## Tests

I spent a while trying to write a regression test for this behaviour but
I couldn't get the test to fail before my fix! I think the test
infrastructure does something special with newlines when it's checking
command output. I eventually ran out of steam trying to investigate
that, sorry.

[^1]: unless the pipe to table was the implicit one that's done when
there is no `display_output` hook set. That situation was still working
OK.
2022-12-14 16:45:37 +13:00
raccmonteiro
26759c4af2
mkdir change flag -s to -v (#7462)
Change in `mkdir` `-s` flag to `-v` to be similar to other commands


# Description

Other commands like `rm`, `mv`, `cp` have a `-v` (`--verbose`) flag.
`mkdir` has a `-s` (`--show-created-paths`), but should be consistent
with other commands.

# User-Facing Changes

- flag `-s` replaced by `-v` in `mkdir` command.


# Tests + Formatting
```
> mkdir -v new_dir
╭───┬───────────────────────────────────╮
│ 0 │ C:\Users\ricardo.monteiro\new_dir │
╰───┴───────────────────────────────────╯
```
2022-12-13 11:56:44 -05:00
pwygab
0c4d4632ef
let UnknownFlag error list out available flags (#7443)
# Description
Fixes #6773.

```
/home/gabriel/CodingProjects/nushell〉ls -r                                                                                                                             12/12/2022 02:57:35 PM
Error: nu::parser::unknown_flag (link)

  × The `ls` command doesn't have flag `-r`.
   ╭─[entry #1:1:1]
 1 │ ls -r
   ·     ┬
   ·     ╰── unknown flag
   ╰────
  help: Available flags: --help(-h), --all(-a), --long(-l), --short-names(-s), --full-paths(-f), --du(-d), --directory(-D). Use `--help` for more information.
```

# User-Facing Changes

Different error for unknown flag.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-13 06:45:33 -06:00
Leon
e2c1216c1b
Fix du error message (#7460)
BEFORE:
```
〉du *.***
Error:
  × wildcards are either regular `*` or recursive `**`
   ╭─[entry #6:1:1]
 1 │ du *.***
   · ─┬
   ·  ╰── glob error
   ╰────
```
AFTER:
```
〉du *.***
Error:
  × glob error
   ╭─[entry #8:1:1]
 1 │ du *.***
   ·    ──┬──
   ·      ╰── wildcards are either regular `*` or recursive `**`
   ╰────

```
2022-12-13 13:11:55 +01:00
Justin Ma
d83dbc3670
add input_output_types() to benchmark,cd and config reset (#7455)
# Description

add input_output_types() to benchmark, cd and config reset commands
It's an update to https://github.com/nushell/nushell/issues/7320


# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-13 06:10:55 -06:00
JT
0242b30027
Revert "Add pipeline operators to help" (#7454)
Reverts nushell/nushell#7449
2022-12-13 16:49:00 +13:00
JT
0c656fd276
Revert "Pipeline operators: && and ||" (#7452)
Reverts nushell/nushell#7448

Some surprising behavior in how we do this. For example:

```
〉if (true || false) { print "yes!" } else { print "no!" }
no!
〉if (true or false) { print "yes!" } else { print "no!" }
yes!
```

This means for folks who are using the old `||`, they possibly get the
wrong answer once they upgrade. I don't think we can ship with that as
it will catch too many people by surprise and just make it easier to
write buggy code.
2022-12-13 16:36:13 +13:00
JT
5b5f1d1b92
Add pipeline operators to help (#7449)
# Description

_(Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.)_

_(Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.)_

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-13 11:31:03 +13:00
JT
35bea5e044
Pipeline operators: && and || (#7448)
# Description

We got some feedback from folks used to other shells that `try/catch`
isn't quite as convenient as things like `||`. This PR adds `&&` as a
synonym for `;` and `||` as equivalent to what `try/catch` would do.

# User-Facing Changes

Adds `&&` and `||` pipeline operators.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-13 09:53:46 +13:00
pwygab
5036672a58
add interact-once switch to rm (#7432)
# Description

Fixes: #7216 

Adds `interact-once` switch which numbers out the number of files to
delete and asks the user for confirmation.

```
/home/gabriel/test〉ls                                                                                                                                                  12/11/2022 11:25:42 AM
╭───┬───────┬──────┬──────┬──────────╮
│ # │ name  │ type │ size │ modified │
├───┼───────┼──────┼──────┼──────────┤
│ 0 │ a.txt │ file │  0 B │ now      │
│ 1 │ b.txt │ file │  0 B │ now      │
│ 2 │ c.txt │ file │  0 B │ now      │
╰───┴───────┴──────┴──────┴──────────╯
/home/gabriel/test〉rm *.txt -I                                                                                                                                         12/11/2022 11:25:42 AM
rm: remove 3 files? : y

/home/gabriel/test〉ls                                                                                                                                                  12/11/2022 11:25:51 AM
/home/gabriel/test〉                                                                                                                                                    12/11/2022 11:25:54 AM
```

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-11 13:22:27 -08:00
WindSoilder
585ab56ea4
in for, loop, while, auto print final value in each iteration (#7433)
# Description

Fixes: #7404 
Fixes: #7402 

## About change
In `eval_block`, all pipelines(or called statements?) result will be
printed except the last one, the last one is returned by `eval_block`
function.

So if we want to print the last statement in eval block, we just need to
print that value.

# User-Facing Changes

### for
```
❯ for _ in 1..2 { echo "a" }
a
a
```

### while
```
❯ mut x = 1; while $x < 3 { $x = $x + 1; echo bb; }
bb
bb
```

### loop
```
❯ mut total = 0; loop {
∙     if $total > 1 {
∙         break
∙     } else {
∙         $total += 1
∙     }
∙     echo 3
∙ }
3
3
```

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
  - `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-12 05:46:03 +13:00
Leon
9009f68e09
Tweak "Cannot convert {x} to a string argument" error in run_external (#7434)
# Description

The message arrow is altered to show the external command name in case
it wasn't obvious. (See example for an occasion where it is
non-obvious).

BEFORE:
```
〉else if (2mb) > 4mb
Error: nu:🐚:external_command (link)

  × External command failed
   ╭─[entry #35:1:1]
 1 │ else if (2mb) > 4mb
   ·           ─┬
   ·            ╰── Cannot convert filesize to a string
   ╰────
  help: All arguments to an external command need to be string-compatible
```
AFTER:
```
〉else if (2mb) > 4mb
Error: nu:🐚:external_command (link)

  × External command failed
   ╭─[entry #3:1:1]
 1 │ else if (2mb) > 4mb
   ·           ─┬
   ·            ╰── Cannot convert filesize to a string argument for 'else'
   ╰────
  help: All arguments to an external command need to be string-compatible

```
# User-Facing Changes

See above.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-11 08:39:51 -08:00
Jakub Žádník
2bacc29d30
Replace row conditions with closures in commands (#7428)
# Description

This PR changes some commands that previously accepted row conditions
(like `$it > 5`) as parameter to accept closures instead. The reasons
are:
a) The commands would need to move into parser keywords in the future
while they feel more like commands to be implemented in Nushell code as
a part of standard library.
b) In scripts, it is useful to store the predicate condition in a
variable which you can't do with row conditions.
c) These commands are not used that often to benefit enough from the
shorter row condition syntax

# User-Facing Changes

The following commands now accept **closure** instead of a **row
condition**:
- `take until`
- `take while`
- `skip until`
- `skip while`
- `any`
- `all`

This is a part of an effort to move away from shape-directed parsing.
Related PR: https://github.com/nushell/nushell/pull/7365

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-10 19:24:06 +02:00
Jakub Žádník
4d7d97e0e6
Simplify FILE_PWD setting in 'overlay use' (#7425)
# Description

Changes the `FILE_PWD` setting mechanism to match the one used in the
`use` command.

Fixes https://github.com/nushell/nushell/pull/7424

# User-Facing Changes

None

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-10 19:23:55 +02:00
Jakub Žádník
f43edbccdc
Make env-related tests more resilient (#7423)
# Description

Fixes https://github.com/nushell/nushell/issues/6708

The error message of environment variable not found could change
depending on the `$env` content which can produce random failures on
different systems. This PR hopefully makes the tests more resilient.

# User-Facing Changes

None

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-10 19:23:34 +02:00
Jakub Žádník
6b4282eadf
Move 'where' to parser keywords; Add 'filter' command (#7365)
# Description

This PR moves the `where` command to a parser keyword. While it still
uses the shape-directed parsing dictated by the signature, we're free to
change the parsing code now to a custom one once we remove the syntax
shapes.

As a side effect, the `where -b` flag was removed and its functionality
has moved to the new `filter` command.

Just FYI, other commands that take row conditions:
- `take until`
- `take while`
- `skip until`
- `skip while`
- `any`
- `all`

We can either move these to the parser as well or make them accept a
closure instead of row condition.

# User-Facing Changes

New `filter` command which replaces `where -b` functionality.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-10 19:23:24 +02:00
WindSoilder
32a53450a6
make split row works like python and rust ways (#7413)
# Description

Fixes: #7389 

Make split row works more like python or rust, especially, when the
input string stars/ends with separator, append a empty string to result.
Here are examples:

python:
```python
In [6]: "\nasdf\nghi\n".split("\n")
Out[6]: ['', 'asdf', 'ghi', '']
```
rust:
```rust
fn main() {
    let x = "\nabc\ndef\n";
    let y = x.split("\n").collect::<Vec<&str>>();
    println!("{:?}", y);   // outputs: ["", "abc", "def", ""]
}
```
# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-10 09:21:53 -06:00
Kangaxx-0
f0e93c2fa9
into cellpath command (#7417)
# Description

Address part of feature request #7337, add a small command `into
cellpath` to allow string -> cellpath auto-conversion, with this change,
we could run

```
let p = 'ls.use_ls_colors'
$env.config | upsert ($p | nito cellpath) false
```

<img width="710" alt="image"
src="https://user-images.githubusercontent.com/85712372/206782818-3024b34f-150b-482d-aebc-9426ef6a1cf9.png">

Note - This pr only covers `String` -> `CellPath`, any other conversions
should be considered as expected?

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- [x] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- [x] `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-10 15:26:42 +02:00
Darren Schroeder
fa6bb147ea
remove example missed from an earlier refactor (#7419)
# Description

When `seq date` was changed to remove the `-s` param, the example was
missed. This PR removes that example.

# User-Facing Changes


# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-09 20:04:14 -06:00
Leon
220b105efb
Reduced LOC by replacing several instances of Value::Int {}, Value::Float{}, Value::Bool {}, and Value::String {} with Value::int(), Value::float(), Value::boolean() and Value::string() (#7412)
# Description

While perusing Value.rs, I noticed the `Value::int()`, `Value::float()`,
`Value::boolean()` and `Value::string()` constructors, which seem
designed to make it easier to construct various Values, but which aren't
used often at all in the codebase. So, using a few find-replaces
regexes, I increased their usage. This reduces overall LOC because
structures like this:
```
Value::Int {
  val: a,
  span: head
}
```
are changed into
```
Value::int(a, head)
```
and are respected as such by the project's formatter.
There are little readability concerns because the second argument to all
of these is `span`, and it's almost always extremely obvious which is
the span at every callsite.

# User-Facing Changes

None.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-09 11:37:51 -05:00
raccmonteiro
b56ad92e25
++= appendAssign operator (#7346) (#7354)
# Description

Closes  https://github.com/nushell/nushell/issues/7346



# Tests + Formatting
```
> mut a = [1 2 3]
> $a ++= [4 5 6]
> $a
[1 2 3 4 5 6]
```
2022-12-09 11:20:58 -05:00
Stefan Holderbach
c01d44e37d
Add arbitrary base math log (#7409)
Adds new command `math log` that takes as a required positional argument
a base.

Specialized for `math log 2` and `math log 10` for better performance
and precision that matches the expectations there. This leads to
discontinuities in numerical error but should make a better trade-off
for common usecases.


Example testing of the happy path
2022-12-09 11:20:42 +01:00
Stefan Holderbach
b4529a20e8
Add math tau (#7408)
# Description

Prompted by
https://discord.com/channels/601130461678272522/615329862395101194/1050693116501426216

# User-Facing Changes

New command `math tau` and endless agony whether to use `math pi` or
`math tau`

# Tests + Formatting

Example test
2022-12-09 22:27:19 +13:00
Stefan Holderbach
b938adefaa
Fix math e usage text (#7406)
Closes #7401

# Tests + Formatting

Doesn't apply, doc fix
2022-12-09 09:56:12 +01:00
JT
b7572f107f
Remove and/or from 'help operators' (#7388)
# Description

_(Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.)_

_(Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.)_

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-07 18:05:51 -06:00
JT
379e3d70ca
Better errors when bash-like operators are used (#7241)
# Description

Adds improved errors for when a user uses a bashism that nu doesn't
support.

fixes #7237 

Examples:

```
Error: nu::parser::shell_andand (link)

  × The '&&' operator is not supported in Nushell
   ╭─[entry #1:1:1]
 1 │ ls && ls
   ·    ─┬
   ·     ╰── instead of '&&', use ';' or 'and'
   ╰────
  help: use ';' instead of the shell '&&', or 'and' instead of the boolean '&&'
```

```
Error: nu::parser::shell_oror (link)

  × The '||' operator is not supported in Nushell
   ╭─[entry #8:1:1]
 1 │ ls || ls
   ·    ─┬
   ·     ╰── instead of '||', use 'try' or 'or'
   ╰────
  help: use 'try' instead of the shell '||', or 'or' instead of the boolean '||'
```

```
Error: nu::parser::shell_err (link)

  × The '2>' shell operation is 'err>' in Nushell.
   ╭─[entry #9:1:1]
 1 │ foo 2> bar.txt
   ·     ─┬
   ·      ╰── use 'err>' instead of '2>' in Nushell
   ╰────
```

```
Error: nu::parser::shell_outerr (link)

  × The '2>&1' shell operation is 'out+err>' in Nushell.
   ╭─[entry #10:1:1]
 1 │ foo 2>&1 bar.txt
   ·     ──┬─
   ·       ╰── use 'out+err>' instead of '2>&1' in Nushell
   ╰────
  help: Nushell redirection will write all of stdout before stderr.
```


# User-Facing Changes

**BREAKING CHANGES**

This removes the `&&` and `||` operators. We previously supported by
`&&`/`and` and `||`/`or`. With this change, only `and` and `or` are
valid boolean operators.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-08 12:02:11 +13:00
JT
6fc87fad72
Fix input redirect for externals (#7387)
# Description

Ooops, fix the input redirection logic so we don't break vim.

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-08 11:33:42 +13:00
JT
fa15a2856a
Add OneOf shape to fix else (#7385)
# Description

fixes #7384 

This is a stop-gap fix until we remove type-directed parsing. With this,
you can create a `OneOf` shape that can be one of a list of syntax
shapes. This gives you a little more control than you get with `Any`,
allowing you to add `Block` without breaking other parsing rules.

# User-Facing Changes

`else` block will no longer capture variables as it will now use a block
instead of a closure.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-08 08:58:54 +13:00
JT
eaec480f42
Improve empty pipelines (#7383)
# Description

This fix changes pipelines to allow them to actually be empty. Mapping
over empty pipelines gives empty pipelines. Empty pipelines immediately
return `None` when iterated.

This removes a some of where `Span::new(0, 0)` was coming from, though
there are other cases where we still use it.

# User-Facing Changes

None

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-08 07:31:57 +13:00
WindSoilder
d18587330a
fix semicolon doesn't work for some commands (#7373)
# Description

Fix semicolon working for the following commands which runs to failed:

1. into record (example: `into record; echo 'aa'`) -- the final aa
shouldn't be printed
2. save ( example: `touch a; chmod a-w a; echo 'aa' | save a; echo asdf`
) -- the final asdf shouldn't be printed
3. fetch ( example: `touch a; chmod a-w a; fetch https://www.google.com
-o a; echo asdf` ) -- the final asdf shouldn't be printed
4. registry_query (I don't have window machine, sorry for that I can't
demo for it)

I've reviewed most of built-in commands, and it seems that other
commands works fine.

# User-Facing Changes

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-06 19:48:39 -08:00
pwygab
3395beaa56
Make seq return a ListStream where possible (#7367)
# Description

Title.

# User-Facing Changes

Faster seq that works better with functions that take in `ListStream`s.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-06 18:48:03 -08:00
Reilly Wood
df66d9fcdf
Fix watch for block+closure split (#7374)
The block+closure split broke `watch` for some use cases. Fixed.

We should eventually add some tests for `watch` but it's a little tricky
since it's an interactive command.

Closes #7362.
2022-12-06 18:20:20 -08:00
Kangaxx-0
1af1e0b5a3
fix upsert index of zero (#7350)
# Description

Try to fix #7347, this pr does not fix the error message to `upserting
beyond 1 + the list's length doesn't work,`, I feel this is still not
explicit or general engouh, if we want to change, what would be the best
message to be printed out ?

Add tests too

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- [x] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- [x] `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-06 15:26:27 -05:00
Leon
9b41f9ecb8
Allow $env and mutable records to be mutated by = (closes #7110) (#7318)
# Description

Closes #7110. ~~Note that unlike "real" `mut` vars, $env can be deeply
mutated via stuff like `$env.PYTHON_IO_ENCODING = utf8` or
`$env.config.history.max_size = 2000`. So, it's a slightly awkward
special case, arguably justifiable because of what $env represents (the
environment variables of your system, which is essentially "outside"
normal Nushell regulations).~~
EDIT: Now allows all `mut` vars to be deeply mutated using `=`, on
request.

# User-Facing Changes

See above.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-06 19:51:55 +02:00
Michael Angerman
48ade4993d
remove redundant code mentioning ToCsv (#7370)
# Description

```rust
ToCsv
```

ToCsv was in there twice so I removed the 2nd reference...

_(Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.)_

_(Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.)_

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-06 09:42:12 -08:00
WindSoilder
4ecc807dbb
fix split list when separater is the first element of list (#7355)
# Description

Fixes: #7278

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-06 08:51:38 -06:00