#!/bin/bash
ACCESSLOG="$1"
PATTERN="$2"
OUTPUT="$3"
LINE=`grep "$PATTERN" "$ACCESSLOG" | grep Chrome | tail -n 1`
if [ -n "$LINE" ]
then
    COLS=`echo "$LINE" | csvtool -t ' ' width -`
    echo "$LINE" | csvtool -t ' ' col $COLS - | sed 's/"//g' > $OUTPUT
fi