mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-11-23 20:33:44 +08:00
47 lines
1.5 KiB
ReStructuredText
47 lines
1.5 KiB
ReStructuredText
string-join - join strings with delimiter
|
|
=========================================
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
.. BEGIN SYNOPSIS
|
|
|
|
::
|
|
|
|
string join [(-q | --quiet)] SEP [STRING...]
|
|
string join0 [(-q | --quiet)] [STRING...]
|
|
|
|
.. END SYNOPSIS
|
|
|
|
Description
|
|
-----------
|
|
|
|
.. BEGIN DESCRIPTION
|
|
|
|
``string join`` joins its STRING arguments into a single string separated by SEP, which can be an empty string. Exit status: 0 if at least one join was performed, or 1 otherwise.
|
|
|
|
``string join0`` joins its STRING arguments into a single string separated by the zero byte (NUL), and adds a trailing NUL. This is most useful in conjunction with tools that accept NUL-delimited input, such as ``sort -z``. Exit status: 0 if at least one join was performed, or 1 otherwise.
|
|
|
|
Because Unix uses NUL as the string terminator, passing the output of ``string join0`` as an *argument* to a command (via a :ref:`command substitution <expand-command-substitution>`) won't actually work. Fish will pass the correct bytes along, but the command won't be able to tell where the argument ends. This is a limitation of Unix' argument passing.
|
|
|
|
.. END DESCRIPTION
|
|
|
|
Examples
|
|
--------
|
|
|
|
.. BEGIN EXAMPLES
|
|
|
|
::
|
|
|
|
>_ seq 3 | string join ...
|
|
1...2...3
|
|
|
|
# Give a list of NUL-separated filenames to du (this is a GNU extension)
|
|
>_ string join0 file1 file2 file\nwith\nmultiple\nlines | du --files0-from=-
|
|
|
|
# Just put the strings together without a separator
|
|
>_ string join '' a b c
|
|
abc
|
|
|
|
.. END EXAMPLES
|