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#!/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
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