From: Fred T. Hamster <fred@gruntose.com>
Date: Wed, 12 Feb 2014 20:00:11 +0000 (-0500)
Subject: added var function to print out variable values.
X-Git-Tag: 2.140.90~830
X-Git-Url: https://feistymeow.org/gitweb/?p=feisty_meow.git;a=commitdiff_plain;h=acd81f8c0fd50132f3ac3ff4fb304f48e13114aa

added var function to print out variable values.
---

diff --git a/scripts/core/functions.sh b/scripts/core/functions.sh
index 6d2bbe29..bc2d1cab 100644
--- a/scripts/core/functions.sh
+++ b/scripts/core/functions.sh
@@ -33,6 +33,16 @@ if [ -z "$skip_all" ]; then
     cd "$1"
   }
 
+  # displays the value of a variable in bash friendly format.
+  function var() {
+    local varname="$1"; shift
+    if [ -z "${!varname}" ]; then
+      echo "$varname undefined"
+    else
+      echo "$varname=${!varname}"
+    fi
+  }
+
   function success_sound()
   {
     if [ ! -z "$CLAM_FINISH_SOUND" ]; then