Carriage Return Checker

crcheck.sh

#!/bin/bash
# Carriage Return Checker
# Author: Daniel Gibbs
# Website: http://danielgibbs.co.uk
# Version: 101214
# Description: Checks if a carriage return is present in a variable

# Place Variable here
var=
echo ""
if [ -z "${var}" ]; then
        echo -e "\e[0;31mERROR!\e[0;39m Variable is empty"
elif [[ ${var} =~ $'\r' ]]; then
                echo "Variable: ${var}";
        echo -e "Carriage return: \e[0;32mYES\e[0;39m";
        echo "Command to remove: tr -d '\r'"
else
                echo "Variable: ${var}";
        echo -e "Carriage Return: \e[0;31mNO\e[0;39m"
fi
echo ""