X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/28b6ea0f67ee02b0ff04a267671a255b47c21559..8b633bf17de71ffec76b2413c23c01bb705c36b8:/dmenu_path

diff --git a/dmenu_path b/dmenu_path
index f64c82e..e725ede 100755
--- 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