locate a program file in the users $PATH environment variable
mkc_which [−x] name
mkc_which takes a name and looks for the file which would be executed had this name been given as a command. The argument is searched for along the user’s PATH.
-x |
If name is not found or non-executable, exit status is zero. |
0 |
if the specified command is found and executable |
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1 |
if the specified command is nonexistent or not executable |
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2 |
if an invalid option is specified |
Aleksey Cheusov <[email protected]>