1 files changed, 37 insertions, 0 deletions
diff --git a/compare_versions.sh b/compare_versions.sh
new file mode 100755
index 0000000..b205a66
--- /dev/null
+++ b/compare_versions.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Bash script to compare ungoogled-chromium version numbers
+# $1 -> up-to-date version number (from atom feed)
+# $2 -> currently installed version number
+# Return Values:
+	# 0 -> installed version is up-to-date
+	# 1 -> installed version can be upgraded
+
+
+# Break into arrays
+IFS='.'
+read -ra V1 <<< "$1"
+read -ra V2 <<< "$2"
+
+# DEBUG
+for val in "${V1[@]}"; do
+	echo "$val"
+done
+echo ${#V1[@]}
+for val in "${V2[@]}"; do
+	echo "$val"
+done
+echo ${#V2[@]}
+
+# Determine shorter array (for the loop)
+LENGTH=${#V1[@]}
+
+for (( i = 0 ; i < LENGTH ; i++ )); do
+	if [ "${V1[$i]}" -gt "${V2[$i]}" ]; then
+		exit 1
+	elif [ "${V1[$i]}" -lt "${V2[$i]}" ]; then
+		exit 0
+	fi
+done
+
+exit 0