Revert "include/shell.sh: remove getvar()"

It is more widely used than I thought.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43068 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/include/shell.sh b/include/shell.sh
index a1e5cbe..634beed 100644 (file)
--- a/include/shell.sh
+++ b/include/shell.sh
@@ -1,3 +1,7 @@
+getvar() {
+       eval "echo \"\${$1}\""
+}
+
 var2file() {
        local var
        eval "var=\"\${$1}\""