locate a program file in the users $PATH environment variable

       Aleksey Cheusov <vle@gmx.net>

                                                  Jan 27, 2020                                      MKC_WHICH(1)

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.

0      if the specified command is found and executable

       1      if the specified command is nonexistent or not executable

       2      if an invalid option is specified

       locate a program file in the users $PATH environment variable

-x     If name is not found or non-executable, exit status is zero.

mkc_which[-x]name