In this article, we will take a look at how to use abreakandcontinuein bash scripts. In bash, we have three main loop constructs (for,while,until).Breakandcontinuestatements are bash builtin and used to alter the flow of your loops. This concept of break and continue are available in ...
Line 7performs a check using anifstatement. When the variable equals two ("$i" == 2), the program exits thewhileloop using the Bashbreakstatement online 10. In that case, the code jumps toline 16. If the variable is a different number, the script continues as expected online 12. Exec...
elif [ $param = "c" ] then continue fi echo Parameter $COUNT is $param ((COUNT++)) done echo "for loop terminated" exit 0 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 如果参数是“a“,那么就退出循环体: script % ./for.sh a b c d e for loop...
sh #!/bin/bash echo -n "倒计时:" for i in `seq 9 -1 1` do echo -n -e "\b$i" sleep 1 done echo 执行代码 [root@localhost ~]# ./sleep.sh 倒计时:8 代码语言:javascript 代码运行次数:0 运行 AI代码解释 [root@localhost ~]# cat for_sleep.sh #!/bin/bash #监控主机存活的脚本...
/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#***#Author: luotianhao#Mail: tianhao.luo@hand-china.com#Version: 1.0#Date: 2021-03-16#FileName: 12_1_1.sh#Description: This is atestscript.#***[ $# -ne 1 ] && { echo $"usage:$0 {break|continue|exit|return}"#<===退出脚本exit 1 } test() { for((i=0;i<=5;...
/bin/bash ## author:Xiong Xuehao ## Useforinthis script.foriin`seq15`;doecho$idone 脚本中的seq 1 5 表示从1到5的一个序列。你可以直接运行这个命令试下。脚本执行结果为: 通过这个脚本就可以看到for循环的基本结构: for 变量名 in 循环的条件; do ...
/bin/bash##***#Author: Sunny#Date: 2017-09-01#FileName:#version: 1.0#Your change info:#Description: For test the functioon of return used in script#Copyright(C): 2017 All rihts reserved#***echoRC1=$RC1echoRC2=$RC2echo\$?=$?os_version=`cat/etc/system...
In the example shared above, we stopped the while loop when the value of i was equal to 4.After executing the above Bash script, you will get an output like the one below:0 1 2 3 Number 4! We are going to stop here. We are stopped!!! Break Out of the for Loop in Bash...
Indenting multi-line output in a shell script, If it's a problem, you redirect the output to a file or variable, test the exit status, then process the saved output. @cglacet Specifying set -euo pipefail in the second line of your script will test it for you. indent () { sed '...