Name
which
Synopsis
which [options
] [--] [commands
]
List the full pathnames of the files that would be executed if the named commands had been run. which searches the user’s $PATH environment variable. tcsh has a built-in which command that has no options. To use the options with tcsh, specify the full pathname (e.g., /usr/bin/which).
Options
- -a, --all
Print all matches, not just the first.
- -i, --read-alias
Read aliases from standard input and write matches to standard output. Useful for using an alias for which.
- --read-functions
Read shell functions from standard input and report matches to standard output. Useful for also using a shell function for which itself.
- --skip-alias
Ignore --read-alias if present. Useful for finding normal binaries while using --read-alias in an alias for which.
- --skip-dot
Skip directories that start with a dot.
- --skip-functions
Ignore --read-functions if present. Useful when searching for normal binaries while using --read-functions in an alias or function for which.
- --skip-tilde
Skip directories that start with a tilde (~) and executables in $HOME.
- --show-dot
If a matching command is found in a directory that starts with a dot, print ./cmdname instead of the full pathname.
- --show-tilde
Print a tilde (~) to indicate the user’s home directory. Ignored if the user is root.
- --tty-only
Stop processing options on the right if not on a terminal.
- -v, -V, --version
Print version information and then exit.
- --help
Print help information and then exit.
Example
which ...
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