script.sh脚本实现功能

1.题目要求 代码截图： #!/bin/bash while [ " $# " -lt " 2 " ] do         echo "please give me userfile or passwd file"         exit 1 done while [ `wc -l $1 |awk '{print $1}'` != `wc -l $2 |awk '{print $1}'` ]

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