#!/bin/sh
CACHE=$HOME/.dmenu_cache
-UPTODATE=1
IFS=:
-uptodate() { [ $UPTODATE -eq 1 ]; }
-
-if test ! -f $CACHE
-then
- UPTODATE=0
-fi
-
-if uptodate
-then
+uptodate() {
+ test -f "$CACHE" &&
for dir in $PATH
do
- test $dir -nt $CACHE && { UPTODATE=0; break; }
+ test ! $dir -nt "$CACHE" || return 1
done
-fi
+}
if ! uptodate
then
for dir in $PATH
do
- for file in "$dir"/*
+ cd "$dir" &&
+ for file in *
do
- test -x "$file" && echo "${file##*/}"
+ test -x "$file" && echo "$file"
done
- done | sort | uniq > $CACHE
+ done | sort -u > "$CACHE".$$ &&
+ mv "$CACHE".$$ "$CACHE"
fi
-cat $CACHE
+cat "$CACHE"