checks urls redirects from a text file

gistfile1.sh

#!/bin/bash  

# clear the terminal
clear

# define some colors
txtred=$(tput setaf 1)
txtgreen=$(tput setaf 2)
txtrst=$(tput sgr0)

# counter
clear_count=0
error_count=0

# error codes
err_code=404

# output header
echo "http code|test url|redirect target|num redirects|time redirect|time total" >> $2
while read line  
do  
    result=$(curl --write-out "%{http_code}|${line}|%{redirect_url}|%{num_redirects}|%{time_redirect}|%{time_total}" --silent --output /dev/null $line)
    http_code=${result:0:3}
if [ $http_code -eq $err_code ]; 
then
	let error_count++
	echo ${txtred}$http_code${result:3}${txtrst}
else
	let clear_count++
	echo ${txtgreen}$http_code${result:3}${txtrst}
fi
echo $result >> $2
done <$1

## output the result
echo
echo "results: ${txtgreen}${clear_count} passed${txtrst}/${txtred}${error_count} failed${txtrst}"
echo