From 78da946a40d5e8a7e190ca0e56f0b1c01f54f429 Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Wed, 1 Aug 2012 02:38:54 -0400
Subject: [PATCH] added quick sanity checks to gentextures.sh, to make sure
 imagemagick and bc are really there.

---
 gentextures.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gentextures.sh b/gentextures.sh
index 5717d91..5bfde7e 100755
--- a/gentextures.sh
+++ b/gentextures.sh
@@ -1,5 +1,15 @@
 #!/bin/bash
 
+if [ -z "`which convert`"] ; then {
+	echo "Please install Imagemagick."
+	exit 1
+}
+
+if [ -z "`which bc`"] ; then {
+	echo "Please install GNU bc."
+	exit 1
+}
+
 if [ $1 = "-t" ] ; then {
 	TINT_OVERLAY=$1
 	BASE=$2