This is from Bash For Loop Examples In Linux Bash v4.0+ has inbuilt support for setting up a step value using {START..END..INCREMENT} syntax: 代码语言:txt 复制 #!/bin/bash echo "Bash version ${BASH_VERSION}..." for i in {0..10..2} do echo "Welcome $i times" done Sample out...
One of the many scripting constructs is the loop. A loop is a section of code that picks up data or generates data and then performs some operation on the data and then begins the process over again until some condition is met, the script is disrupted, or when input data is exhausted. ...
Why does applying boost to state reduction give an incorrect result? the same parameters considered in both fixed and random effects? Water pressure in my house drops about 20 to 30 psi when a second faucet is turned on? Is it practical in real life to drill magnetic screws into someon...
/bin/bashsource_prefix=$1suffix=$2destination_prefix=$3foriin$(ls${source_prefix}*.${suffix});domv$i$(echo$i|seds/${source_prefix}/${destination_prefix}/)done In this script, the user provides the source file's prefix as the first parameter, the file suffix as the second, and ...
12 bash script - can't get for loop working 0 for loop not working in a shell script 2 for loop in a bash script 0 issue for loop bash 3 Linux shell script for loop error 0 using for loop when scripting bash shell in linux 1 For Loop in Shell Scripting Hot Network Ques...
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fruit=orange; and on the third and final iteration,fruit=pear. Once it has completed the loop, the script continues normal execution with the next command after thedonestatement. In this case, it ends by saying “Let’s make a salad!” to show that it has ended the loop, but not the...
参考:《Linux 与unix shell 编程指南》 一、while语句结构 w h i l e循环用于不断执行一系列命令,也用于从输入文件中读取数据,其格式为: while 命令 d o 命令1 命令2 . . . d o n e 虽然通常只使用一个命令,但在 w h i l e和d o之间可以放几个命令。命令通常用作测试条 ...
[root@www shell-script]# cat c_for02.sh#!/bin/bashfor((i=1,j=100;i<=10;i++,j--))doecho"i=$ij=$j"done 1. 2. 3. 4. 5. 6. for的无限循环 #!/bin/bashfor((i=0;i<1;i+=0))doecho"infinite loop"done 1. 2.
In this example, we have several steps: bash -c ‘COMMAND’runsCOMMANDas a Bash shell script (we can also use the regularsh) > output.logsaves the command output to a log file &puts everything in the background Let’s runnohup, using ourforloop in the place ofCOMMAND: ...