[rdc] rework board detection

[openwrt.git] / include / shell.sh

diff --git a/include/shell.sh b/include/shell.sh
index db41003..634beed 100644 (file)
--- a/include/shell.sh
+++ b/include/shell.sh
@@ -30,5 +30,8 @@ trapret() {(
 )}
 
 md5s() {
-       which md5sum 2>&- >&- && md5sum "$@" | awk '{print $1}' || md5 "$@"
+       cat "$@" | (
+               md5sum 2>/dev/null ||
+               md5 
+       ) | awk '{print $1}'
 }