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#!/bin/bashif [ "$#" != 1 ]; then echo "usage: $0 firstrarfile" exit 1fiPAR2=/usr/bin/par2RAR=/usr/bin/rarSPLIT=/usr/bin/splitFIRSTRAR="$1"if [ "$FIRSTRAR" != `basename $FIRSTRAR .part001.rar` ]; then BASENAME=`basename "$FIRSTRAR" .part001.rar` NUMRARS=`ls ${BASENAME}.part*.rar | wc -l | awk '{print $1;}'` PRINTF="\"mv ${BASENAME}.%02d ${BASENAME}.part%03d.rar\n\" \$i \$((\$i+1))"elif [ "$FIRSTRAR" != `basename $FIRSTRAR .part01.rar` ]; then BASENAME=`basename "$FIRSTRAR" .part01.rar` NUMRARS=`ls ${BASENAME}.part*.rar | wc -l | awk '{print $1;}'` PRINTF="\"mv ${BASENAME}.%02d ${BASENAME}.part%02d.rar\n\" \$i \$((\$i+1))"else BASENAME=`basename "$FIRSTRAR" .rar` NUMRARS=`ls ${BASENAME}.r?? | wc -l | awk '{print $1;}'` PRINTF="\"mv ${BASENAME}.%02d ${BASENAME}.r%02d\n\" \$i \$((\$i-1))"fiMAXBLOCKS=32565BLOCKS=$(($NUMRARS*2))RARSIZE=`du -b ${FIRSTRAR} | awk '{print $1;}'`FILELIST=`"$RAR" lb "$FIRSTRAR"`"$RAR" x "$FIRSTRAR"rm -f *par2 *PAR2"$PAR2" c -b${MAXBLOCKS} -c${BLOCKS} -n1 -t+ "${BASENAME}.par2" *rar *r??cat >> rerar.sh << EOF#!/bin/bash$SPLIT -b$RARSIZE -d ${FILELIST} ${BASENAME}.mv ${BASENAME}.00 ${FIRSTRAR}for i in \`seq 1 $(($NUMRARS-1))\`; do \`printf $PRINTF\`; done"$PAR2" r ${BASENAME}.par2rm ${BASENAME}.*.1EOFchmod +x rerar.sh