#!/bin/sh
#grep status.
#change grep line to your own grep, make sure to have '-n' flag.

        LINE_COUNT=`wc -l 03_03-00.00.00_iplog.log|awk '{print $1}'`
        grep -no 'to [^ :]*' 03_03-00.00.00_iplog.log|sed 's/[0-9]*:to //g' |sort|uniq &
        GREP_PID=`ps auxwww|grep -e 'grep' -e 'grep 0:[0-9][0-9]' |grep -v 'grep -e grep' |awk '{print $2}'`
        CUR_LINE=0;
        P=`ps aux |awk '{print $2}' |grep $GREP_PID`

        while [ "$P" != "" ]; do
                CUR_LINE=`strace -s 40 -e trace=write -p $GREP_PID 2>&1|head -2|grep -oe "\n[0-9]*:" |sed "s/[n:]//g" |tail -1|tr "\n" ' '`
                tput el
                printf "\rline: $CUR_LINE of: $LINE_COUNT"
                printf "| %s %% complete" `python -c "print repr($CUR_LINE*100/$LINE_COUNT.0)"`
                P=`ps aux |awk '{print $2}' |grep $GREP_PID`
        done;