# !/bin/sh
[ $# != "1" ] echo "Usage: $0 tarfile" exit 0
DESTFILE="$1.sh"
echo "# !/bin/sh" > $DESTFILE
echo "LINES=\`wc -l \$0 | awk '{ print \$1 }'\`" >> $DESTFILE # 計(jì)算目標(biāo)文件的行數(shù)
echo "LINES=\`expr \$LINES - 4\`" >> $DESTFILE # 計(jì)算需要輸出的行，為總行數(shù)-4(4行執(zhí)行腳本)
echo "tail -n \$LINES \$0 | tar -xv " >> $DESTFILE # 輸出并釋放(可以結(jié)合-z/-j釋放壓縮文件)
echo "exit 0" >> $DESTFILE
chmod +x $DESTFILE
cat $1 >> $DESTFILE #添加tar文件到文件尾