404-curl-web-error-detecting

#!/bin/bash

#curl HTTP error detecting
#Using examples:
#./404 ttp://tolik-punkoff.com/net-takoj-stranicy
#CURL error 1
#./404 http://tolik-punkoff.com/net-takoj-stranicy
#HTTP error 404
#./404 http://tolik-punkoff.com/scripts/ip/ip61.php
#OK


HEADERDUMP="/tmp/headerdump.txt"
SAVEFILE="/tmp/httpfile"
HTTPSTATUS=""

curl -o $SAVEFILE $1 -D $HEADERDUMP >/dev/null 2>/dev/null
EXITCODE=$?
if [ $EXITCODE -ne 0 ]; then
    echo "CURL error $EXITCODE"
else
    HTTPSTATUS=`cat $HEADERDUMP|head -1|awk '{print $2}'`

    if [ "$HTTPSTATUS" == "200" ];then
    echo "OK"
    else
    echo "HTTP error $HTTPSTATUS"
    fi
fi