A simple script to get the given URL with cURL and output stats.

get_url_stats.sh

#!/bin/bash
# A simple script to get the given URL with cURL and output stats.
#
# USAGE:
#       get_url_stats.sh <URL>
#
###############################################################################

out() { echo "`date +%Y%m%dT%H%M%SZ`: $*"; }
err() { out "$*" 1>&2; }
die() { err "EXIT: $1" && [ "$2" ] && [ "$2" -gte 0 ] && exit $2 || exit 1; }
usage() { [ "$0" = "bash" ] || sed '2,/^##/p;d' "$0"; echo "$*"; exit 1; }
[ "$1" = "--help" -o "$1" = "-h" ] && usage

[ "$1" ] || usage

[ "$FIELDS" ] || FIELDS="
http_code
http_connect
num_connects
num_redirects
size_download
size_header
size_request
size_upload
speed_download
speed_upload
time_appconnect
time_connect
time_namelookup
time_pretransfer
time_redirect
time_starttransfer
time_total
"

FORMAT_STR="$(echo "$FIELDS" | egrep '^[a-z]' | awk '{print $1}' | sed 's/.*/&:%{&}/' | paste -sd ' ')\\n"

exec curl -s -k -L -o/dev/null -w "$FORMAT_STR" "$@"