/bin/bash ; 2. # declare an array called array and define 3 values ; 3. array=( one two three ) ; 4. for i in "${array[@]}" ; 5. do. Tags: looping over ip addresses from a file using bashshell script iterate over an arrayshell script loop over array Shell script iterate o...
ZSH is a powerful shell interpreter with a wide surface for customization. One of the most powerful features of ZSH is its scripting language that allows you to build powerful tools and automation tasks. In this tutorial, we will explore the various looping and iteration techniques available in ...
This trivial example prints the value of each argument passed to the shell script. Translated to English, thewhilecondition says to continue so long as the input argument string is not null. You might think that this loop would continue to print the first argument$ARGV[0]forever and ever, ...
Doctor Scripto Summary: Microsoft Scripting Guy, Ed Wilson, talks about pre- and post-incrementing the Do...While loop in Windows PowerShell. Hey, Scripting Guy! I think that I found a bug in Windows PowerShell. In fact, I am pretty sure that I have. It involves using the ++ increme...
...Now, let's make some improvements to your general script. (1) Eliminate useless 'cat' processes! (2) the 'sed' match can be made much more readable with a repeat part; (3) eliminate the backticks and use the clearer POSIX shell $() notation for command execution:#!/usr/bin/sh...
Adjust Script Flow Using Conditional Statements Problem You want to control the conditions under which PowerShell executes commands or portions of your script. Solution Use PowerShell’s if, elseif, and else conditional statements to control the flow of execution in your script. For example: $temp...
In Part 1,Basics of PowerShell Looping: Foreach, I looked at the Foreach statement and talked about the problem of collections, arrays, and accessing specific items. In Part 2,PowerShell Looping: Using the Foreach-Object Cmdlet, I talked about using the Foreach-Object cmdlet to work with...
<script language="JavaScript"> <!-- /*正则表达式 候选 */ var sToMatch1 = "red"; var sToMatch2 = "black"; var reRed = /red/; var reBlack = /black/; alert(reRed.test(sToMatch1) || reBlack.test(sToMatch1)); alert(reRed.test(sToMatch2) || reBlack.test(sToMatch2)); ...
The first line in our script sets up and populates the array. We can see that this is very similar to setting up and populating a variable, with a little additional information to indicate we want it to be an array, in the form of the @. We also need to put parentheses around our...
- name: "ExecuteCustomScripts" action: "ExecuteBash" loop: name: BatchExecLoop forEach: - /tmp/script1.sh - /tmp/script2.sh - /tmp/script3.sh inputs: commands: - echo "Count {{ BatchExecLoop.index }}" - sh "{{ loop.value }}" - | retVal=$? if [ $retVal -ne 0 ]; then...