X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=dmenu_path;h=7896a9e957fa1e274805c0641c841a6b82334667;hb=569a1f925a7cf351e6ec3e38529f46a1d9becf3f;hp=72ff3ed416ed2fb67d5b0d6e83bd28b33e7da827;hpb=68a24f5535030473e90426c30fafe75262add419;p=dmenu.git

diff --git a/dmenu_path b/dmenu_path
index 72ff3ed..7896a9e 100755
--- a/dmenu_path
+++ b/dmenu_path
@@ -1,2 +1,26 @@
 #!/bin/sh
-/bin/ls -lL `echo $PATH | tr : ' '` 2> /dev/null | awk '$1 ~ /^[^d].*x/ { print $NF }' | sort | uniq
+CACHE=$HOME/.dmenu_cache
+IFS=:
+
+uptodate() {
+	test -f "$CACHE" &&
+	for dir in $PATH
+	do
+		test ! $dir -nt "$CACHE" || return 1
+	done
+}
+
+if ! uptodate
+then
+	for dir in $PATH
+	do
+		cd "$dir" &&
+		for file in *
+		do
+			test -x "$file" && echo "$file"
+		done
+	done | sort | uniq > "$CACHE".$$ &&
+	mv "$CACHE".$$ "$CACHE"
+fi
+
+cat "$CACHE"