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#!/bin/bash
# $Id: update-copyright,v 1.9 2003/08/23 13:39:59 ceder Exp $
# Copyright (C) 1994-1996, 1999, 2003 Lysator Academic Computer Association.
#
# 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, 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.
#
# Please report bugs at http://bugzilla.lysator.liu.se/.
# This file updates the copyright lines found in the programs, making
# sure that every year that the file is edited appears in the
# copyright line.
while read file
do
if grep '[C]opyright' $file > /tmp/$$.yc ; then : ;
else echo "$file:1: no Copy"right" line found" >&2 ; continue;
fi
tr , '\012' < /tmp/$$.yc \
| sed -n \
-e 's/.*\([12][0-9][0-9][0-9]\)-\([12][0-9][0-9][0-9]\).*/\1 \2/p' \
-e 's/.*\([12][0-9][0-9][0-9]\).*/\1/p' \
| awk 'NF == 2 { for(i=$1; i<=$2; ++i) print i } NF == 1' \
> /tmp/$$.year
if cvs log $file > /tmp/$$.yc ; then : ;
else echo "$file:1: cvs log failed" >&2 ; continue;
fi
cat /tmp/$$.yc \
| sed -n 's/^date: \([0-9][0-9][0-9][0-9]\).*author.*state.*$/\1/p' \
| sort | uniq >> /tmp/$$.year
y=`sort /tmp/$$.year \
| uniq \
| (read first ; echo -n $first; next=\`expr $first + 1\`; rest=; \
while read second; \
do \
if [ $second = $next ]; \
then \
rest="-$next"; \
else \
echo -n $rest, $second; \
rest=; \
fi; \
next=\`expr $second + 1\`; \
done; \
echo -n $rest)`
sed 's/\([C]opyright[^0-9]*\)[---0-9 ,]*[0-9]\([^0-9]*\)/\1'"$y"'\2/' \
< $file > /tmp/$$.file
cmp /tmp/$$.file $file >/dev/null
if [ $? = 1 ]; then
if [ -x $file ]; then
cat /tmp/$$.file > $file;
chmod +x $file
else
cat /tmp/$$.file > $file;
fi
echo $file updated
fi
rm /tmp/$$.file /tmp/$$.yc /tmp/$$.year
done
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