From c0800c61a5e06c62e505c1dc334173dd910fc624 Mon Sep 17 00:00:00 2001
From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Fri, 7 Aug 2015 16:53:46 +0100
Subject: [PATCH] jpg2avi, ls_img_black

---
 etc/profile.d/functions | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/etc/profile.d/functions b/etc/profile.d/functions
index e80cb0f3..1695cfa5 100644
--- a/etc/profile.d/functions
+++ b/etc/profile.d/functions
@@ -260,16 +260,27 @@ exec "mplayer",$_[1];
 ls_img_black() {
 
   declare threshold; threshold=10
-  shell_help_noarg "Usage: $FUNCNAME [-threshold PCENT (default: $threshold)] IMG1 IMG2 ..." "$@" && return
+  declare ret; ret=1
+
+  shell_help_noarg "Usage: $FUNCNAME [-threshold PCENT (default: $threshold)] IMG1 IMG2 ..." "$@" && return 1
 
   while [ $# -gt 0 ]; do
+
     if [ "$1" = "-threshold" ]; then
       threshold=$2; shift 2; continue
     fi
+
     #colors=$(convert $1 -format "%[mean]" info:-)
-    convert "$1" -threshold ${threshold}% -format %c histogram:info:- | grep -qm1 white || echo "$1"
+
+    if ! convert "$1" -threshold ${threshold}% -format %c histogram:info:- | grep -qm1 white; then
+      echo "$1"
+      ret=0
+    fi
     shift
+
   done
+
+  return $ret
 }
 
 jpg2avi() {
-- 
2.47.3