quadrilateralcowboy/sys/linux/pk4/updatepaks.sh

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#!/bin/sh
echo "current pak files: $1"
echo "expanded updated source: $2"
echo "new pak file: $3"
echo "press a key"
read
TMPDIR=`mktemp -d -t`
ls "$1/"*.pk4 | while read i ; do unzip -l $i | cut -b 29- | tee $TMPDIR/`basename $i`.log ; done
ls $TMPDIR/*.log | while read i ; do lines=`cat $i | wc -l` ; tail +4 $i | head -$(( $lines - 5 )) | tee $TMPDIR/`basename $i`.2 ; done
# check cutting off
#ls $TMPDIR/*.log | while read i ; do diff $i $i.2 ; done
cat $TMPDIR/*.log.2 | sort -u | tee $TMPDIR/sorted-unique.log
# now the magical zip command
cd $2
rm $3
cat $TMPDIR/sorted-unique.log | zip -b $TMPDIR $3 -@ 1>/dev/null
md5sum $3
echo "done."