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shEll whilE BrEAk

bash shell script (bash脚本)中,break是退出一层循环,break 2是退出2层循环(当有相互嵌套时),....break: break [n] Exit for, while, or until loops. Exit a FOR, WHILE or UNTIL loop. If N is specified, break N enclosing loops. Exit...

do语句要提前一行。 while循环用于不断执行一系列命令,也用于从输入文件中读取数据;命令通常为测试条件。其格式为:while command do Statement(s) to be executed if command is true done 命令执行完毕,控制返回循环顶部,从头开始直至测试...

bash shell script (bash脚本)中,break是退出一层循环,break 2是退出2层循环(当有相互嵌套时),....break: break [n] Exit for, while, or until loops. Exit a FOR, WHILE or UNTIL loop. If N is specified, break N enclosing loops. Exit.

bash shell script (bash脚本)中,break是退出一层循环,break 2是退出2层循环(当有相互嵌套时),.... break: break [n] Exit for, while, or until loops. Exit a FOR, WHILE or UNTIL loop. If N is specified, break N enclosing loops. Exi...

因为使用了管道的原因,改成下面这样就可以了 a=0 while read line do a=$(($a+1)) echo "inter:"$a done < b.sh echo "outer:"$a

[lotto@logging ~]$ cat test.sh #!/bin/sh i=0 while [ 1 -gt 0 ] do echo -e "请输入数字:" read num if [ $num -gt 100 ] then echo "大于100" elif [ $num -lt 100 ] then echo "小于100" else echo "等于100,退出程序" break fi i=`expr $...

如下,以create.log问日志文件,BUILD SUCCESSFUL为关键字 #!/bin/bash num=1 while [ $num -le 10 ] do echo $num CHECK_RESULT=`cat /app/aideploy/deploy_ncrm_fb/bin/log/create.log | grep 'BUILD SUCCESSFUL' | wc -l` echo "The check re...

bash shell script (bash脚本)中,break是退出一层循环,break 2是退出2层循环(当有相互嵌套时),.... break: break [n] Exit for, while, or until loops. Exit a FOR, WHILE or UNTIL loop. If N is specified, break N enclosing loops. Exi...

break是退出循环exit是退出脚本break:break[n]Exitfor,while,oruntilloops.ExitaFOR,WHILEorUNTILloop.IfNisspecified,breakNenclosingloops.ExitStatus:Theexitstatusis0unlessNisnotgreaterthanorequalto1.exit:exit[n]Exittheshell.Exitsthes...

使用trap和kill退出整个脚本 cat >test.sh

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