?? 1-2-9
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#!/bin/bash#判斷命令行是否代帶有兩個(gè)文件名的參數(shù)if [ "$1" = "" ] || [ "$2" = "" ]then echo "Please enter file name" exit 1fi#判斷目標(biāo)文件是否存在if [ -e $2 ]then echo "The file already exists" until [ ! -f $2 ] #監(jiān)視該文件是否被刪除 do sleep 1 done echo "The file have been deleted"fi#執(zhí)行源文件移動為目標(biāo)文件的命令if [ ! `mv $1 $2` ]then echo "mv sucessful"else echo "mv error"fi
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