1 files changed, 5 insertions, 0 deletions
diff --git a/lib/vars.sh b/lib/vars.sh
new file mode 100644
index 0000000..4ae2ee7
--- /dev/null
+++ b/lib/vars.sh
@@ -0,0 +1,5 @@
+readvar() {
+  local var=$1;
+  if [ ! "$var" ]; then _debug "readvar: missing arg: var"; exit 1; fi
+  eval "echo \$$var"
+}