Something

#!/bin/bash

## contrib by prizee.com

socket='/var/run/haproxy.stat'

if [ ! -x /usr/bin/socat ] ; then
    echo "can't find /usr/bin/socat"
    exit 1
fi

function printUsage
{
    echo -e "Usage : $0 [options] -s section
--section -s section\t: section to use ( --list format)
Options :
--socket -S [socket]\t: socket to use (default: /var/run/haproxy.stat)
--list -l\t\t: print available sections
--help -h\t\t: print this  message"
}

function getRawStat
{
    if [ ! -S $socket ] ; then
        echo "$socket socket unavailable" 1>&2
        exit 1
    fi

    if ! printf "show stat\n" | socat unix-connect:${socket} stdio | grep -v "^#" ; then
        echo "cannot read $socket" 1>&2
        exit 1
    fi
}

function getStat
{
    stats=$(getRawStat | grep $1 | awk -F "," '{print $5" "$8}')
    export cumul=$(echo $stats | cut -d " " -f2)
    export current=$(echo $stats | cut -d " " -f1)
}

function showList
{
    getRawStat | awk -F "," '{print $1","$2}'
}

set -- `getopt -u -l socket:,section:,list,help -- s:S:lh "$@"`

while true ; do
    case $1 in
        --socket|-S) socket=$2 ; shift 2 ;;
        --section|-s) section=$2 ; shift 2 ;;
        --help|-h) printUsage ; exit 0 ;;
        --list|-l) showList ; exit 0 ;;
        --) break ;;
    esac
done

if [ "$section" = "" ] ; then
    echo "section not specified, run '$0 --list' to know available sections" 1>&2
    printUsage
    exit 1
fi