annotate each output lines

annotate-output.sh

#! /bin/bash
# this script was downloaded from:
# http://jeroen.a-eskwadraat.nl/sw/annotate 
# and is part of devscripts 2.10.53ubuntu3

# Executes a program annotating the output linewise with time and stream
# Version 1.2a

# Copyright 2003, 2004 Jeroen van Wolffelaar <jeroen@wolffelaar.nl>

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

DATE_FMT=${AO_DATE_FMT:-%Y/%m/%d %H:%M:%S}

addtime ()
{
    while IFS='' read line; do
        echo "`date +"$DATE_FMT"` [$1] $line"
    done
}

OUT=`mktemp /tmp/annotate.XXXXXX` || exit 1
ERR=`mktemp /tmp/annotate.XXXXXX` || exit 1

rm -f $OUT $ERR
mkfifo $OUT $ERR || exit 1

addtime O < $OUT &
addtime E < $ERR &

echo "`date +"$DATE_FMT"` [I] Started $@"
"$@" > $OUT 2> $ERR ; EXIT=$?
rm -f $OUT $ERR
wait

echo "`date +"$DATE_FMT"` [I] Finished with exitcode $EXIT"

exit $EXIT