如果要使用ssh批量登录到其它系统上操作时,我们会采用循环的方式去处理,那么这里存在一个巨大坑,你必须要小心了。.../bin/bash while read ips; do echo $ips; done < ip.txt 脚本实现了逐行读取列表中的IP,但是: #!...二、问题分析: while使用重定向机制,ip.txt文件中的信息都已经读入并重定向给...
bash - while with multiply条件会丢失其中之一 、 我将尝试使用2个条件进行循环,x != 0或curl =成功,curl模块工作正常,但脚本丢失[x -eq 0]set -xwhile [[ $x -eq 0 ]] || [[ "$(curl -s -o /dev/null -w ''%{http_code}'' http://nexus_url/bin/bashx=8 while</ 浏览10提问于2021...
/bin/bashforiin`seq19`;doforjin`seq1$i`;doecho-ne"${j}X${i}=$[i*j]\t"doneechodone6、编写脚本,利用变量RANDOM生成10个随机数字,输出这个10数字,并显示其中的最大者和最小者#!/bin/bash#min=$1max=0forMin{1..10};domagic=$magic" "$(echo$[RANDOM%$1])letM++doneforIin`echo$magic...
If you want to do something more elaborate, you could create a script and show a more clear indication that the loop condition became true: #!/bin/bashwhile[!-ddirectory_expected]doecho"`date`- Still waiting"sleep1doneecho"DIRECTORY IS THERE!!!" 3. Using a while loop to manipulate a ...
/bin/bash ## author:Xiong Xuehao ## Usewhileinthis script. a=10while[ $a -ge1];doecho$a a=$[$a-1]done 脚本的执行结果为: 另外你可以把循环条件忽略掉,笔者常常这样写监控脚本。 while :; do command done 示例: #! /bin/bash
/bin/bash# this script is creacted by moox.# e_mail:2144865225@qq.com# function:case example# version:1.2. /etc/init.d/functions check_count=0# define array list of url will be checked.url_list=( http://blog.moox.com http://bbs.moox.com...
script2 key (脚本不怎么健壮仅做输入正确使用) #!/bin/bash # until bash -n $1 &> /dev/null; do read -p "$1 file syntax error.[Qq] to quit, others for editing:" CHOICE case $CHOICE in q|Q) echo "$1 file is wrong in syntax, quiting..." ...
/bin/bash# chkconfig: - 90 10# description: Startup script for sleep Servercase"$1"instart)... 正在启动XX服务;;stop)... 正在停止XX服务;;restart)$0stop$0start;;*)echo"用法:$0{start|stop|restart}"esac[root@localhost ~]# chkconfig --add myprog[root@localhost ~]# chkconfig --list ...
/bin/bash # chkconfig: - 90 10 # description: Startup script for sleep Server case"$1"in start) ... 正在启动XX服务 ;; stop) ... 正在停止XX服务 ;; restart) $0 stop $0 start ;; *) echo"用法: $0 {start|stop|restart}" esac...
Wrote a little bash script: #!/bin/bash if [ $# == 6 ]; then while getopts s:i:d: option; do case "${option}" in s) SERVER=${OPTARG} ;; i) ITERATIONS=${OPTARG} ;; d) TMPDIR=${OPTARG} ;; esac done else echo "Error: Insufficient number of arguments" echo "Usage: http...