github-mirror/fish-shell
2
0
Fork 0
mirror of https://github.com/fish-shell/fish-shell.git synced 2024-11-30 06:03:49 +08:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity
5f5bd03911
fish-shell/doc_src/cmds/string-split.rst

75 lines
2.3 KiB
ReStructuredText
Raw Normal View History

Add individual documentation pages for string's subcommands This adds string-x.rst for each subcommand x of string. The main page (string.rst) is not changed, except that examples are shown directly after each subcommand. The subcommand sections in string.rst are created by textual inclusion of parts of the string-x.rst files. Subcommand man pages can be viewed with either of: ``` man string collect man string-collect string collect <press F1 or Alt-h> string collect -h ``` While `string -h ...` still prints the full help. Closes #5968
2019-10-27 17:56:24 +08:00
string-split - split strings by delimiter
=========================================
Synopsis
--------
.. BEGIN SYNOPSIS
::
Add `string split --fields`
2020-03-21 00:31:23 +08:00
string split [(-f | --fields) FIELDS] [(-m | --max) MAX] [(-n | --no-empty)] [(-q | --quiet)] [(-r | --right)] SEP [STRING...]
string split0 [(-f | --fields) FIELDS] [(-m | --max) MAX] [(-n | --no-empty)] [(-q | --quiet)] [(-r | --right)] [STRING...]
Add individual documentation pages for string's subcommands This adds string-x.rst for each subcommand x of string. The main page (string.rst) is not changed, except that examples are shown directly after each subcommand. The subcommand sections in string.rst are created by textual inclusion of parts of the string-x.rst files. Subcommand man pages can be viewed with either of: ``` man string collect man string-collect string collect <press F1 or Alt-h> string collect -h ``` While `string -h ...` still prints the full help. Closes #5968
2019-10-27 17:56:24 +08:00
.. END SYNOPSIS
Description
-----------
.. BEGIN DESCRIPTION
string split: update docs
2020-04-18 14:44:22 +08:00
``string split`` splits each STRING on the separator SEP, which can be an empty string. If ``-m`` or ``--max`` is specified, at most MAX splits are done on each STRING. If ``-r`` or ``--right`` is given, splitting is performed right-to-left. This is useful in combination with ``-m`` or ``--max``. With ``-n`` or ``--no-empty``, empty results are excluded from consideration (e.g. ``hello\n\nworld`` would expand to two strings and not three). Exit status: 0 if at least one split was performed, or 1 otherwise.
Fix string split docs
2020-04-21 21:59:09 +08:00
Use ``-f`` or ``--fields`` to print out specific fields. Unless ``--allow-empty`` is used, if a given field does not exist, then the command exits with status 1 and does not print anything.
Add individual documentation pages for string's subcommands This adds string-x.rst for each subcommand x of string. The main page (string.rst) is not changed, except that examples are shown directly after each subcommand. The subcommand sections in string.rst are created by textual inclusion of parts of the string-x.rst files. Subcommand man pages can be viewed with either of: ``` man string collect man string-collect string collect <press F1 or Alt-h> string collect -h ``` While `string -h ...` still prints the full help. Closes #5968
2019-10-27 17:56:24 +08:00
doc: add links between the string-split and read commands
2020-03-10 04:11:12 +08:00
See also the ``--delimiter`` option of the :ref:`read <cmd-read>` command.
Add individual documentation pages for string's subcommands This adds string-x.rst for each subcommand x of string. The main page (string.rst) is not changed, except that examples are shown directly after each subcommand. The subcommand sections in string.rst are created by textual inclusion of parts of the string-x.rst files. Subcommand man pages can be viewed with either of: ``` man string collect man string-collect string collect <press F1 or Alt-h> string collect -h ``` While `string -h ...` still prints the full help. Closes #5968
2019-10-27 17:56:24 +08:00
``string split0`` splits each STRING on the zero byte (NUL). Options are the same as ``string split`` except that no separator is given.
``split0`` has the important property that its output is not further split when used in a command substitution, allowing for the command substitution to produce elements containing newlines. This is most useful when used with Unix tools that produce zero bytes, such as ``find -print0`` or ``sort -z``. See split0 examples below.
.. END DESCRIPTION
Examples
--------
.. BEGIN EXAMPLES
::
>_ string split . example.com
example
com
>_ string split -r -m1 / /usr/local/bin/fish
/usr/local/bin
fish
>_ string split '' abc
a
b
c
string split: update docs
2020-04-18 14:44:22 +08:00
>_ string split --allow-empty -f1,3,5 '' abc
Add `string split --fields`
2020-03-21 00:31:23 +08:00
a
c
Add individual documentation pages for string's subcommands This adds string-x.rst for each subcommand x of string. The main page (string.rst) is not changed, except that examples are shown directly after each subcommand. The subcommand sections in string.rst are created by textual inclusion of parts of the string-x.rst files. Subcommand man pages can be viewed with either of: ``` man string collect man string-collect string collect <press F1 or Alt-h> string collect -h ``` While `string -h ...` still prints the full help. Closes #5968
2019-10-27 17:56:24 +08:00
NUL Delimited Examples
^^^^^^^^^^^^^^^^^^^^^^
::
>_ # Count files in a directory, without being confused by newlines.
>_ count (find . -print0 | string split0)
42
>_ # Sort a list of elements which may contain newlines
docs: Use \ instead of \\ in examples (#7286) Instead of informing the bell character (hex 07), the example was using an escaped \ followed by x07. $ echo \\x07 \x07 $ echo \x07 $ echo \x07 | od -a 0000000 bel nl 0000002 $ * docs: Use \u instead of \\u Instead of informing the Unicode character 慡, this example was using an escaped \ followed by u6161. $ echo \\u6161 \u6161 $ echo \u6161 慡 Before: $ string escape --style=var 'a1 b2'\\u6161 | string unescape --style=var a1 b2\u6161 Now: $ string escape --style=var 'a1 b2'\u6161 | string unescape --style=var a1 b2慡
2020-08-27 00:29:03 +08:00
>_ set foo beta alpha\ngamma
Add individual documentation pages for string's subcommands This adds string-x.rst for each subcommand x of string. The main page (string.rst) is not changed, except that examples are shown directly after each subcommand. The subcommand sections in string.rst are created by textual inclusion of parts of the string-x.rst files. Subcommand man pages can be viewed with either of: ``` man string collect man string-collect string collect <press F1 or Alt-h> string collect -h ``` While `string -h ...` still prints the full help. Closes #5968
2019-10-27 17:56:24 +08:00
>_ set foo (string join0 $foo | sort -z | string split0)
>_ string escape $foo[1]
docs: Use \ instead of \\ in examples (#7286) Instead of informing the bell character (hex 07), the example was using an escaped \ followed by x07. $ echo \\x07 \x07 $ echo \x07 $ echo \x07 | od -a 0000000 bel nl 0000002 $ * docs: Use \u instead of \\u Instead of informing the Unicode character 慡, this example was using an escaped \ followed by u6161. $ echo \\u6161 \u6161 $ echo \u6161 慡 Before: $ string escape --style=var 'a1 b2'\\u6161 | string unescape --style=var a1 b2\u6161 Now: $ string escape --style=var 'a1 b2'\u6161 | string unescape --style=var a1 b2慡
2020-08-27 00:29:03 +08:00
alpha\ngamma
Add individual documentation pages for string's subcommands This adds string-x.rst for each subcommand x of string. The main page (string.rst) is not changed, except that examples are shown directly after each subcommand. The subcommand sections in string.rst are created by textual inclusion of parts of the string-x.rst files. Subcommand man pages can be viewed with either of: ``` man string collect man string-collect string collect <press F1 or Alt-h> string collect -h ``` While `string -h ...` still prints the full help. Closes #5968
2019-10-27 17:56:24 +08:00
.. END EXAMPLES
Reference in New Issue Copy Permalink