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WindSoilder 5afd74f0b9
don't allow save command to save both stdout and stderr to the same file (#9368) 
# Description
It's not a good idea to save `stdout` and `stderr` to the same file from
`save` command directly.

Because it saves `stdout` and `stderr` in different thread, which leads
to in-consistent output. As replace, we can use `o+e` redirection to fix
the issue

# User-Facing Changes
```
❯ do -i { "aa" } | save foo.txt -e foo.txt
Error:   × input and stderr input to same file
   ╭─[entry #3:1:1]
 1 │ do -i { "aa" } | save foo.txt -e foo.txt
   ·                                  ───┬───
   ·                                     ╰── can't save both input and stderr input to the same file
   ╰────
  help: you should use `o+e> file` instead
```

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

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

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- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
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# After Submitting
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2023-06-10 10:09:19 +02:00
..
assignment allow different types of lists to be appended (#8157) 2023-02-22 12:53:36 +00:00
bytes Restrict closure expression to be something like {|| ...} (#8290) 2023-03-17 07:36:28 -05:00
date Standardise the use of ShellError::UnsupportedInput and ShellError::TypeMismatch and add spans to every instance of the former (#7217) 2022-12-23 01:48:53 -05:00
hash_ Deprecate hash base64, extend decode and add encode commands (#5863) 2022-06-26 00:35:23 +03:00
math Fix negative precision round with ints (issue #9049) (#9073) 2023-05-03 23:07:32 +02:00
move_ add -u flag to cp, mv command (#9214) 2023-05-20 09:48:57 -07:00
network add http options command (#9365) 2023-06-09 08:00:40 -05:00
path Display empty records and lists (#7925) 2023-02-22 16:18:33 +00:00
platform Validate input range of du flags (#7962) 2023-02-06 21:34:32 +01:00
query Feature cleanup (#7182) 2022-11-22 16:58:11 -08:00
random Use imported names in Command::run signatures (#7967) 2023-02-05 22:17:46 +01:00
skip Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
str_ move 'str substring' to only use ranges (#8660) 2023-03-29 20:01:42 +13:00
take Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
url Add a check for empty params for url join (#9356) 2023-06-07 19:08:21 +02:00
alias.rs Make aliased call not look up predeclarations (#9244) 2023-05-20 00:46:22 +03:00
all.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
any.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
append.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
break_.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
cal.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
cd.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
compact.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
continue_.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
cp.rs add -u flag to cp, mv command (#9214) 2023-05-20 09:48:57 -07:00
def.rs improve error when name and parameters are not space-separated (#8958) 2023-05-12 09:10:40 -05:00
default.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
do_.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
drop.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
each.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
echo.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
empty.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
error_make.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
every.rs fix(nu-command/tests): further remove unnecessary pipeline() and cwd() (#8793) 2023-04-07 14:09:55 -07:00
exec.rs Add "fall-through" signatures (#7527) 2022-12-22 00:33:26 +02:00
export_def.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
fill.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
find.rs Fix find -v command on tables (issue #9043) (#9159) 2023-05-11 13:39:21 -05:00
first.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
flatten.rs str collect => str join (#6531) 2022-09-11 11:48:27 +03:00
for_.rs Loops return external stream when external command failed. (#8646) 2023-04-05 20:38:04 +03:00
format.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
get.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
glob.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
group_by.rs Change group-by to accept cell paths (#9020) 2023-05-17 18:34:44 -05:00
headers.rs Type validation for headers command (#6918) (#7047) 2022-11-09 16:43:24 -08:00
help.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
histogram.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
insert.rs make insert, update, upsert support lazy records (#9323) 2023-05-31 06:27:55 -05:00
inspect.rs throw an error instead of a panic if no input is provided to inspect (#9259) 2023-05-22 13:54:04 -05:00
into_filesize.rs fix overflow on negative bytes (#7070) 2022-11-10 22:33:15 +01:00
into_int.rs Fix 8244 -- store timestamps with nanosecond resolution (consistently) (#8337) 2023-03-07 17:02:15 -06:00
join.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
last.rs Removes unnecessary cwd and pipeline from various tests (#9202) 2023-05-17 18:55:26 -05:00
length.rs Remove old nushell/merge engine-q 2022-02-07 14:54:06 -05:00
let_.rs unify the *-BuiltinVar parser errors (#8944) 2023-04-20 19:44:31 +02:00
lines.rs Replace row conditions with closures in commands (#7428) 2022-12-10 19:24:06 +02:00
loop_.rs Loops return external stream when external command failed. (#8646) 2023-04-05 20:38:04 +03:00
ls.rs Restrict closure expression to be something like {|| ...} (#8290) 2023-03-17 07:36:28 -05:00
match_.rs Add rest and ignore-rest patterns (#8681) 2023-03-31 11:08:53 +13:00
merge.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
mkdir.rs Correction bug multiple dots mkdir and touch (#8486) 2023-04-05 20:22:56 +03:00
mod.rs throw an error instead of a panic if no input is provided to inspect (#9259) 2023-05-22 13:54:04 -05:00
mut_.rs upserting data of a cellpath that doesn't exist into a record creates the cellpath (#9257) 2023-05-22 18:51:07 +02:00
nu_check.rs A set of fixes for stderr redirect (#7219) 2022-11-24 16:58:15 +13:00
open.rs Add rest and glob support to 'open' (#8506) 2023-03-18 08:51:39 +13:00
par_each.rs Fix unexpected flattening of data by par-each (Issue #8497) (#9007) 2023-04-26 23:27:27 +02:00
parse.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
prepend.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
print.rs add -e flag to print, to print the value to stderr (#5935) 2022-07-02 09:54:49 -05:00
range.rs Use 'table' on scripts and -c commands (#4377) 2022-02-09 05:58:54 -05:00
redirection.rs Avoid blocking when o+e> redirects too much stderr message (#8784) 2023-05-17 17:47:03 -05:00
reduce.rs Test return in reduce closure from #7961 (#7973) 2023-02-06 11:01:08 +01:00
reject.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
rename.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
return_.rs ensure that when nu evaluates files, it allows early returns (#7415) 2023-02-02 00:02:27 +01:00
reverse.rs last, skip, drop, take until, take while, skip until, skip while, where, reverse, shuffle, append, prepend and sort-by raise error when given non-lists (#7623) 2022-12-31 13:35:12 +02:00
rm.rs check if is homedir first when rm (#9117) 2023-05-25 09:45:50 -05:00
roll.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
rotate.rs str collect => str join (#6531) 2022-09-11 11:48:27 +03:00
run_external.rs Add --redirect-combine option to run-external (#8918) 2023-04-28 07:55:48 -05:00
save.rs don't allow save command to save both stdout and stderr to the same file (#9368) 2023-06-10 10:09:19 +02:00
select.rs Fix select on empty lists (#8651) 2023-03-28 12:40:29 -07:00
semicolon.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
seq_char.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
seq.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
sort_by.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
sort.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
source_env.rs Aliasing math expression shows error earlier (#8779) 2023-04-07 00:40:53 +03:00
split_by.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
split_column.rs Add regex separators for split row/list/column (#8707) 2023-04-07 06:46:11 -05:00
split_row.rs Add regex separators for split row/list/column (#8707) 2023-04-07 06:46:11 -05:00
table.rs use "search_result" style to colorize matching strings (fixes #9275) (#9326) 2023-06-01 15:51:18 -05:00
to_text.rs Make to text stream ListStreams (#7577) 2022-12-22 16:38:07 -08:00
touch.rs Correction bug multiple dots mkdir and touch (#8486) 2023-04-05 20:22:56 +03:00
transpose.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
try_.rs Disable pipeline echo (#8292) 2023-03-17 11:53:46 +13:00
uniq_by.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
uniq.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
update.rs make insert, update, upsert support lazy records (#9323) 2023-05-31 06:27:55 -05:00
upsert.rs make insert, update, upsert support lazy records (#9323) 2023-05-31 06:27:55 -05:00
use_.rs Make aliased call not look up predeclarations (#9244) 2023-05-20 00:46:22 +03:00
where_.rs Slim down tests (#9021) 2023-04-28 13:25:44 +02:00
which.rs Re-implement aliases (#8123) 2023-02-27 20:44:05 +13:00
while_.rs Loops return external stream when external command failed. (#8646) 2023-04-05 20:38:04 +03:00
with_env.rs Disable pipeline echo (#8292) 2023-03-17 11:53:46 +13:00
wrap.rs Fix warnings and old names (#8457) 2023-03-15 18:54:55 +13:00
zip.rs Use variable names directly in the format strings (#7906) 2023-01-29 19:37:54 -06:00