-#!/bin/sh
+#!/bin/sh -f
CACHE=$HOME/.dmenu_cache
IFS=:
+qfind() {
+ find "$@" 2>/dev/null
+}
+
uptodate() {
- test ! -f $CACHE && return 1
- for dir in $PATH
- do
- test $dir -nt $CACHE && return 1
- done
- return 0
-}
+ test -f $CACHE &&
+ test "$(echo "$PATH")" = "$(sed 1q "$CACHE")" &&
+ qfind $PATH -maxdepth 0 -newer $CACHE
+}
if ! uptodate
then
- for dir in $PATH
- do
- for file in "$dir"/*
- do
- test -x "$file" && echo "${file##*/}"
- done
- done | sort | uniq > $CACHE
+ {
+ echo "$PATH"
+ qfind $PATH -type f -maxdepth 1 -perm -u+x -o -perm -g+x -o -perm -o+x |
+ sed 's,.*/,,' | sort | uniq
+ } > $CACHE.$pid
+ mv $CACHE.$pid $CACHE
fi
-cat $CACHE
+tail -n +2 $CACHE
+