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.
If name is not found or non-executable, exit status is zero.
if the specified command is found and executable
if the specified command is nonexistent or not executable
if an invalid option is specified
Aleksey Cheusov <firstname.lastname@example.org>