具体理论概述下次加上,这里先写程序:
#!/bin/sh case $0 in *listtar) TAGS="-tvf $1" ;; *maketar) TAGS="-cvf $1.tar $1" ;; esac tar $TARGS
$ln –s mytar listtar
$ln –s mytar maketar
使用声明
echo “Usage: $0 [options][files] ”
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