applied Jukka's fix

[dmenu.git] / dmenu_path

diff --git a/dmenu_path b/dmenu_path
index f64c82e..e725ede 100755 (executable)
--- a/dmenu_path
+++ b/dmenu_path
@@ -1,9 +1,32 @@
 #!/bin/sh
+CACHE=$HOME/.dmenu_cache
+UPTODATE=1
 IFS=:
-for dir in $PATH
-do
-       for file in "$dir"/*
+
+uptodate() { [ $UPTODATE -eq 1 ]; }
+
+if test ! -f $CACHE 
+then
+       UPTODATE=0
+fi
+
+if uptodate
+then
+       for dir in $PATH
        do
-               test -x "$file" && echo "${file##*/}"
+               test $dir -nt $CACHE && { UPTODATE=0; break; }
        done
-done | sort | uniq
+fi
+
+if ! uptodate
+then
+       for dir in $PATH
+       do
+               for file in "$dir"/*
+               do
+                       test -x "$file" && echo "${file##*/}"
+               done
+       done | sort | uniq > $CACHE
+fi
+
+cat $CACHE