#! /bin/sh
#
# $Id: mkpicknoise,v 1.1 2005/05/17 15:27:53 uehira Exp $
#

tempfoo=`basename $0`

if [ $# -lt 1 ]; then
    echo "usage: ${tempfoo} pickfile pickfile ..."
    exit 1
fi

TMPFILE=`mktemp /tmp/${tempfoo}.XXXXXX` || exit 1

while [ $# -gt 0 ]; do
    #echo $1
    label=`head -n 1 $1 | awk '{print $3}'`
    #echo ${label}
    case ${label} in
    [Nn][Oo][Ii][Ss][Ee])
	# echo $1
	linenum=`wc $1 | awk '{print $1}'`
	#echo ${linenum}
	if [ ${linenum} -gt 2 ]; then
	    #echo ${linenum}
	    echo replace $1
	    head -n 2 $1 > ${TMPFILE}
	    cp ${TMPFILE} $1 || exit 1
	fi
    esac
    shift
done

rm -f ${TMPFILE}
exit 0
