curl-hhtp-error-extended

#!/bin/bash

#curl HTTP status detecting (extended) example script
#use exstatus <site> e.g. exstatus http://example.org/example.php
#for test this script use php script
#in end this file (base64 encoded)

HEADERDUMP="/tmp/headerdump.txt"
SAVEFILE="/tmp/httpfile"
HTTPSTATUS=""
HTTPSTATUSMESS="";
HTTPSTATUSID=0;

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}'` #get HTTP status code
    HTTPSTATUSMESS=`cat $HEADERDUMP|head -1|cut -d ' ' -f 3-` #get HTTP status msg
    HTTPSTATUSID=`echo $HTTPSTATUS|cut -c 1` #get first char status code

    case "$HTTPSTATUSID" in
    1 ) echo -n "Informational: ";;
    2 ) echo -n "Success: ";;
    3 ) echo -n "Redirection: ";;
    4 ) echo -n "Client Error: ";;
    5 ) echo -n "Server Error: ";;
    * ) echo -n "Unknow status: ";;
    esac

    echo "$HTTPSTATUS $HTTPSTATUSMESS"
fi


#php script for test this
#PD9waHANCglpbmlfc2V0KCdlcnJvcl9yZXBvcnRpbmcnLCBFX0FMTCk7DQoJaW5pX3NldC
#gnZGlzcGxheV9lcnJvcnMnLCAxKTsNCglpbmlfc2V0KCdkaXNwbGF5X3N0YXJ0dXBfZXJy
#b3JzJywgMSk7DQoJDQoJJGNvZGU9MDsNCglpZiAoZW1wdHkoJF9HRVQpKQ0KCXsNCgkJZW
#NobyAiVXNlID9jb2RlPWh0dHBfc3RhdHVzX2NvZGUiOwkJDQoJfQ0KCWVsc2UNCgl7DQoJ
#CWlmICghaXNzZXQoJF9HRVRbJ2NvZGUnXSkpDQoJCXsNCgkJCWVjaG8gIlVzZSA/Y29kZT
#1odHRwX3N0YXR1c19jb2RlIjsNCgkJfQ0KCQllbHNlDQoJCXsNCgkJCSRjb2RlPSRfR0VU
#Wydjb2RlJ107DQoJCQlpZiAoKCRjb2RlPDEwMCl8fCgkY29kZT41OTkpKQ0KCQkJew0KCQ
#kJCWVjaG8gIldyb25nIGNvZGUgKG1pbiAxMDAsIG1heCA1OTkpIjsNCgkJCX0NCgkJCWVs
#c2UNCgkJCXsNCgkJCQllY2hvICRjb2RlOw0KCQkJCWh0dHBfcmVzcG9uc2VfY29kZSgkY2
#9kZSk7DQoJCQl9DQoJCX0NCgl9CQ0KPz4=