examples/scripts/inpath

   1 #! /bin/sh
   2 #
   3 # Search $PATH for a file the same name as $1; return TRUE if found.
   4 #
   5
   6 command=$1
   7 [ -n "$command" ] || exit 1
   8
   9 set `echo $PATH | sed 's/^:/.:/
  10                         s/::/:.:/g
  11                         s/:$/:./
  12                         s/:/ /g'`
  13
  14 while [ $# -ne 0 ] ; do
  15         [ -f $1/$command ] && exit 0    # test -x not universal
  16         shift
  17 done
  18
  19 exit 1