status.sh

#!/bin/bash
_username=$(whoami);
echo $_username;
 
#
# input_file ,  file containing the multiple URIs whose status is required.
# output_file,  file to which the header from the URIs and the response time
#                               would be written to.
#
 
input_file=/home/$_username/Desktop/input.txt                   # Change path to the path of your input file.
output_file=/home/$_username/Desktop/output.txt                 # Change path to the path of your output file.
 
 
function status() {
 
	while IFS=$'\n' read -r data || [[ -n "$data" ]]; do
 
		if [[ "$data" = "" ]]; then
			continue;
		fi
 
		let count=check;
 
		#
		# count==false => cURL doesn't exist. Continue with wget.
		# count==true  => cURL exists but wget doesn't exist. Continue with cURL.
		#
 
		if [[ "$count" = true ]] ; then
			curl -sL -w "%{http_code} %{url_effective}\\n" $data -o /dev/null >> $output_file 2>&1;
			curl -sL -w %{time_total}\\n -o /dev/null $data >> $output_file 2>&1;
		elif [[ "$count" = false ]]; then      
			wget -S --spider $data 2>&1 | awk '/^  /';
		else   
			curl -sL -w "%{http_code} %{url_effective}\\n" $data -o /dev/null >> $output_file 2>&1;
			curl -sL -w %{time_total}\\n -o /detextv/null $data >> $output_file 2>&1;
		fi
 
		#awk '{i += (length() + 1); if (i <= 10000) print $ALL}' output.txt
 
	done <$input_file
	echo "Status recorded in file: /home/$_username/Desktop/output.txt"
}
 
#
# Checks the existance of ping, cURL, wget
# return count.
# count, false => cURL doesn't exist.
# count, true  => cURL exists but wget doesn't.
#
 
function check() {
 
	#
	# Check if ping is installed in the system or not.
	# Exit code if ping doesn't exist.
	#
 
	if [ ! -x /bin/ping ] ; then
		command -v ping >/dev/null 2>&1 || { echo >&2 "Please install ping or set it in your path. Aborting"; exit 1; }
		echo "ping doesn't exist.";
	fi
 
	#
	# Check for curl and wget in the system.
	# Inform if curl doesn't exist and proceed with wget.
	# Exit if both do not exist.
	#
 
	if [ ! -x /usr/bin/curl ] ; then
		command -v curl >/dev/null 2>&1 || { echo >&2 "Please install curl or set it in your path."; }
		echo "curl doesn't exist.";
		let count=false;
	elif [ ! -x /usr/bin/wget ] ; then
		command -v wget >/dev/null 2>&1 || { echo >&2 "Please install wget or set it in your path. Aborting."; exit 1; }
		echo "curl exists but wget doesn't exist";
		let count=true;
	elif [[ ! -x /usr/bin/curl && ! -x /usr/bin/wget ]]; then
		echo "Cannot proceed without cURL and wget. Please install either to continue. Aborting."
		exit 1;
	else
		echo "Program can proceed";
	fi
 
	return $count;
}
 
status
echo "Process Completed."