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Documentation and completion updates
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\subsection function-description Description
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- <tt>-d DESCRIPTION</tt> or \c --description=DESCRIPTION is a description of what the function does, suitable as a completion description
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- \c -b or \c --key-binding specifies that the function is a key biding. Key binding functions work exactly like regular functions except that they can not be tab-completed, and may contain the '-' character.
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- <tt>-d DESCRIPTION</tt> or \c --description=DESCRIPTION is a description of what the function does, suitable as a completion description
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- <tt>-j PID</tt> or <tt> --on-job-exit PID</tt> tells fish to run this function when the job with group id PID exits
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- <tt>-p PID</tt> or <tt> --on-process-exit PID</tt> tells fish to run this function when the fish child process with process id PID exits
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- <tt>-s</tt> or <tt>--on-signal SIGSPEC</tt> tells fish to run this function when the signal SIGSPEC is delivered. SIGSPEC can be a singal number, or the signal name, such as SIGHUP (or just HUP)
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- <tt>-v</tt> or <tt>--on-variable VARIABLE_NAME</tt> tells fish to run this function when the variable VARIABLE_NAME changes value
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This builtin command is used to create a new function. A Function is a
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list of commands that will be executed when the name of the function
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21
doc_src/psub.txt
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21
doc_src/psub.txt
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\section psub psub - Perform process substitution
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\subsection psub-synopsis Synopsis
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<tt>COMMAND1 (COMMAND2|psub) </tt>
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\subsection psub-description Description
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Posix shells feature a syntax that is a mix between command
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substitution and piping, called process substitution. It is used to
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send the output of a command into the calling command, much like
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command substitution, but with the difference that the output is not
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sent through commandline arguments but through a named pipe, with the
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filename of the named pipe sent as an argument to the calling
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program. The psub shellscript function, which when combined with a
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regular command substitution provides the same functionality.
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\subsection psub-example Example
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<tt>diff (sort a.txt|psub) (sort b.txt|psub)</tt> shows the difference
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between the sorted versions of files a.txt and b.txt.
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