#!/bin/sh
#
# Copyright (c) 1994, 1995, 1996 Gunther Schadow.  All rights reserved.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
# 
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.

TMP=msg$$
if [ -z "$EDITOR" ] ; then EDITOR=vi ; fi

trap '' 2
trap 'rm ./*.$TMP ; exit 0' 1 15

for i in $*
do
  if [ -r $i ]
  then
    cat $i |tr "\015" "\012" > ./`basename $i`.$TMP
  else
    touch ./`basename $i`.$TMP
  fi
done

$EDITOR ./*.$TMP
rm ./*.$TMP~

for i in $*
do
  j=./`basename $i`.$TMP 
  sed '/^[ 	]*$/d' $j |tr "\012" "\015" > $j.hl7 && rm $j
  if cmp -s $i $j.hl7
  then
    echo file $i did not change
  else
    test -r $i && mv $i $i~ 
    mv $j.hl7 $i
  fi
done