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Teach command builtin a -p/--path flag

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Give the `command` builtin a single flag, -p/--path, that causes it to
print the full path that would be executed for the given command.
This commit is contained in:
Kevin Ballard
2014-07-09 18:21:06 -07:00
parent 62d86b3d18
commit cc565fc16c
2 changed files with 91 additions and 3 deletions
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12
doc_src/command.txt
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@@ -1,12 +1,20 @@
\section command command - run a program
\subsection command-synopsis Synopsis
<tt>command COMMANDNAME [OPTIONS...]</tt>
<tt>command [OPTIONS] COMMANDNAME [ARGS...]</tt>
\subsection command-description Description
\c command forces the shell to execute the program \c COMMANDNAME and ignore any functions or builtins with the same name.
\subsection command-example Example
The following options are available:
- \c -h or \c --help prints help and then exits.
- \c -p or \c --path returns the name of the disk file that would be executed, or nothing if no file with the specified name could be found in the <tt>$PATH</tt>.
With the \c -p option, \c command treats every argument as a separate command to look up and sets the exit status to 0 if any of the specified commands were found, or 1 if no commands could be found.
\subsection command-example Examples
<tt>command ls</tt> causes fish to execute the \c ls program, even if an 'ls' function exists.
<tt>command -p ls</tt> returns the path to the \c ls program.