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Add -q/--query switch to the functions builtin. Works just like the same switch to set does. Useful for checking for the existance of functions in a script

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axel
2006-07-13 03:46:55 +10:00
parent 036cc4e0fa
commit 4a87c9895d
3 changed files with 40 additions and 20 deletions
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15
doc_src/functions.txt
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@@ -12,11 +12,16 @@ This builtin command is used to print or erase functions.
- <code>-e</code> or <code>--erase</code> causes the specified functions to be erased.
- <code>-h</code> or <code>--help</code> display a help message and exit
- <code>-n</code> or <code>--names</code> list only the names of all defined functions
- <code>-q</code> or <code>--query</code> test if the specified functions exist. Does not output anything, but the builtins exit status is the number of functions specified that were not defined.
If \c functions is called with no arguments, the names and definition
of all functions are printed, otherwise, the specified function
definitions will be printed.
The default behavior of \c functions when called with no arguments,
is to print the names and definitions of all defined functions. If any
non-switch parameters are given, only the definition of the specified
functions are printed.
If a function is automatically loaded, using <code>functions -e</code>
to erase it will not remove the function.
Automatically loaded functions can not be removed using functions
-e. Either remove the definition file or change the
$fish_function_path variable to remove autoloaded functions.
The exit status of the functions builtin is the number functions
specified in the argument list that do not exist.