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Trim whitespace
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Jonathan Turner
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README.md
48
README.md
@ -25,22 +25,22 @@ Commands are separated by the pipe symbol (`|`) to denote a pipeline flowing lef
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```
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/home/jonathan/Source/nushell(master)> ls | where "file type" == "Directory" | autoview
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-----------+-----------+----------+--------+--------------+----------------
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file name | file type | readonly | size | accessed | modified
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file name | file type | readonly | size | accessed | modified
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-----------+-----------+----------+--------+--------------+----------------
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target | Directory | | 4.1 KB | 19 hours ago | 19 hours ago
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images | Directory | | 4.1 KB | 2 weeks ago | a week ago
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tests | Directory | | 4.1 KB | 2 weeks ago | 18 minutes ago
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docs | Directory | | 4.1 KB | a week ago | a week ago
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.git | Directory | | 4.1 KB | 2 weeks ago | 25 minutes ago
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src | Directory | | 4.1 KB | 2 weeks ago | 25 minutes ago
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.cargo | Directory | | 4.1 KB | 2 weeks ago | 2 weeks ago
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target | Directory | | 4.1 KB | 19 hours ago | 19 hours ago
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images | Directory | | 4.1 KB | 2 weeks ago | a week ago
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tests | Directory | | 4.1 KB | 2 weeks ago | 18 minutes ago
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docs | Directory | | 4.1 KB | a week ago | a week ago
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.git | Directory | | 4.1 KB | 2 weeks ago | 25 minutes ago
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src | Directory | | 4.1 KB | 2 weeks ago | 25 minutes ago
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.cargo | Directory | | 4.1 KB | 2 weeks ago | 2 weeks ago
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-----------+-----------+----------+--------+--------------+----------------
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```
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Because most of the time you'll want to see the output of a pipeline, `autoview` is assumed. We could have also written the above:
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```
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/home/jonathan/Source/nushell(master)> ls | where "file type" == "Directory"
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/home/jonathan/Source/nushell(master)> ls | where "file type" == "Directory"
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```
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Being able to use the same commands and compose them differently is an important philosophy in Nu. For example, we could use the built-in `ps` command as well to get a list of the running processes, using the same `where` as above.
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@ -64,9 +64,9 @@ Nu can load file and URL contents as raw text or as structured data (if it recog
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```
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/home/jonathan/Source/nushell(master)> open Cargo.toml
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-----------------+------------------+-----------------
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dependencies | dev-dependencies | package
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dependencies | dev-dependencies | package
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-----------------+------------------+-----------------
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[object Object] | [object Object] | [object Object]
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[object Object] | [object Object] | [object Object]
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-----------------+------------------+-----------------
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```
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@ -75,9 +75,9 @@ We can pipeline this into a command that gets the contents of one of the columns
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```
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/home/jonathan/Source/nushell(master)> open Cargo.toml | get package
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-------------+----------------------------+---------+---------+------+---------
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authors | description | edition | license | name | version
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authors | description | edition | license | name | version
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-------------+----------------------------+---------+---------+------+---------
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[list List] | A shell for the GitHub era | 2018 | MIT | nu | 0.1.2
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[list List] | A shell for the GitHub era | 2018 | MIT | nu | 0.1.2
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-------------+----------------------------+---------+---------+------+---------
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```
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@ -105,7 +105,7 @@ In addition to `cd` and `ls`, we can `enter` an object. Entering an object makes
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```
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/home/jonathan/Source/nushell(master)> enter Cargo.toml
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object/>
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object/>
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```
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As we enter, we create a stack of objects we're navigating:
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@ -115,14 +115,14 @@ As we enter, we create a stack of objects we're navigating:
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| Filesystem | /home/jonathan/Source/nushell |
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| object (from Cargo.toml) | / |
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Commands `cd` and `ls` now work on the object being navigated.
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Commands `cd` and `ls` now work on the object being navigated.
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```
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object/> ls
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-----------------+------------------+-----------------
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dependencies | dev-dependencies | package
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dependencies | dev-dependencies | package
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-----------------+------------------+-----------------
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[object Object] | [object Object] | [object Object]
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[object Object] | [object Object] | [object Object]
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-----------------+------------------+-----------------
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```
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@ -130,9 +130,9 @@ object/> ls
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object/> cd package/version
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object/package/version> ls
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-------
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value
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value
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-------
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0.1.2
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0.1.2
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-------
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```
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@ -155,7 +155,7 @@ These goals are all critical, project-defining priorities. Priority #1 is "direc
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# Commands
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## Initial commands
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| command | description |
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| ------------- | ------------- |
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| ------------- | ------------- |
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| cd path | Change to a new path |
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| ls (path) | View the contents of the current or given path |
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| ps | View current processes |
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@ -167,7 +167,7 @@ These goals are all critical, project-defining priorities. Priority #1 is "direc
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## Filters on tables (structured data)
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| command | description |
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| ------------- | ------------- |
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| ------------- | ------------- |
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| pick ...columns | Down-select table to only these columns |
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| reject ...columns | Remove the given columns from the table |
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| get column-or-column-path | Open given cells as text |
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@ -181,7 +181,7 @@ These goals are all critical, project-defining priorities. Priority #1 is "direc
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## Filters on text (unstructured data)
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| command | description |
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| ------------- | ------------- |
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| ------------- | ------------- |
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| from-json | Parse text as .json and create table |
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| from-toml | Parse text as .toml and create table |
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| from-xml | Parse text as .xml and create a table |
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@ -189,11 +189,11 @@ These goals are all critical, project-defining priorities. Priority #1 is "direc
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| split-column sep ...fields | Split row contents across multiple columns via the separator |
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| split-row sep | Split row contents over multiple rows via the separator |
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| trim | Trim leading and following whitespace from text data |
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| {external-command} $it | Run external command with given arguments, replacing $it with each row text |
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| {external-command} $it | Run external command with given arguments, replacing $it with each row text |
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## Consuming commands
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| command | description |
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| ------------- | ------------- |
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| ------------- | ------------- |
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| autoview | View the contents of the pipeline as a table or list |
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| clip | Copy the contents of the pipeline to the copy/paste buffer |
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| save filename | Save the contents of the pipeline to a file |
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