gre: add different per-protocol prefixes to GRE-TAP IPv4/6 tunnel interfaces.

[openwrt/openwrt.git] / include / shell.sh

diff --git a/include/shell.sh b/include/shell.sh
index a1e5cbe66f915a0aeb7e240da20f706cdf568e13..8f6f6f04bb414e5dc24851d6dceefe8d282782f4 100644 (file)
--- a/include/shell.sh
+++ b/include/shell.sh
@@ -1,3 +1,7 @@
+getvar() {
+       eval "echo \"\${$1}\""
+}
+
 var2file() {
        local var
        eval "var=\"\${$1}\""
@@ -10,24 +14,9 @@ isset() {
        [ -n "$var" ]
 }
 
-trapret() {(
-       local retvals="$1"; shift
-       local cmd="$1"; shift
-       for retval in $(echo $retvals); do
-               local trap_$retval=1
-       done
-       "$cmd" "$@" || {
-               local retval="$?"
-               eval "trapped=\${trap_$retval}"
-               [ -n "$trapped" ] || {
-                       return $retval
-               }
-       }
-)}
-
 md5s() {
        cat "$@" | (
                md5sum 2>/dev/null ||
-               md5 
+               md5
        ) | awk '{print $1}'
 }