X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/007be12f2bf7648f79138e834477e77f612766bb..53e92b5c1797ae5d259942b0a3f20a63c1a02f1e:/dmenu_path

diff --git a/dmenu_path b/dmenu_path
index 4ecf4fa..3569077 100755
--- a/dmenu_path
+++ b/dmenu_path
@@ -1,9 +1,26 @@
-#!/bin/sh
+#!/bin/sh -f
+CACHE=$HOME/.dmenu_cache
 IFS=:
-for dir in $PATH
-do
-	for file in "$dir"/*
-	do
-		test -x "$file" && echo "${file##*/}"
-	done
-done | sort -u
+
+qfind() {
+	find "$@" 2>/dev/null
+}
+
+uptodate() {                                                                       
+	test -f $CACHE &&
+		test "$(echo "$PATH")" = "$(sed 1q "$CACHE")" &&
+		! qfind $PATH -maxdepth 0 -newer $CACHE >/dev/null
+}
+
+if ! uptodate
+then
+	{
+		echo "$PATH"
+		qfind $PATH -type f -maxdepth 1 '(' -perm -u+x -o -perm -g+x -o -perm -o+x ')' |
+			sed 's,.*/,,' | sort | uniq
+	}
+	mv $CACHE.$pid $CACHE
+fi
+
+tail -n +2 $CACHE
+