Bash While Loop examples when DiskInternals can help you Are you ready? Let's read! Bash scripting is a bit technical, but over time, as you keep writing scripts, they become easier and easier. Nevertheless, you have a couple of questions to ask in regards to the Bash While loop, right...
Shell scripting, specifically Bash scripting, is a great way to automate repetitive or tedious tasks on your systems. Why type when you can schedule and run scripts in a hands-free manner? One of the many scripting constructs is the loop. A loop is a section of code that picks up data ...
For other until loop examples such as integer comparison, string comparison and multiple conditions, refer to those demonstrated in the while loop.If you find this tutorial helpful, I recommend you check out the series of bash shell scripting tutorials provided by Xmodulo....
In Bash scripting, thewhileloop functions by repeating a set of instructions as long as the specified condition is true. Typically, the while loop is preferred where the number of iterations is uncertain or variable. In this guide, I will explore theBash while loop, its syntax, and usage th...
The until statement continues to execute the body of the loop, till the condition becomes true. In this example condition is size of the file greater than 2000 bytes, so it copies the file once it reaches the 2000 bytes. Also, make sure to refer to our earlierBash Array examples. ...
Likeif,whileevaluates the exit status of a list of commands. As long as the exit statusis zero, it performs the commands inside the loop. In the script above, the variablecountis created and assigned an initial value of 1. Thewhilecommand evaluates theexit status of thetestcommand. As long...
1. Awk While Loop Example: Create a string of a specific length $awk 'BEGIN { while (count++<50) string=string "x"; print string }' xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx The above example uses the ‘BEGIN { }’ special block that gets executed before anything else in an Aw...
If the password isnotcorrect, thewhileloop will continue to execute. Info:To follow along with the example code in this tutorial, open a Python interactive shell on your local system by running thepython3command. Then you can copy, paste, or edit the examples by adding them after the>>>...
You can also use other commands likehead, tail, and pipeit to while loop. head -n 5 /etc/passwd | while read LREAD do echo ${LREAD} done Head Command Input Redirection in Linux We can redirect the content of the file towhile loopusing the Input redirection operator(<). ...
Shell Scripting Hubis a good place to start using Windows PowerShell. An excellent book for learning Windows PowerShell is the Microsoft Press book,Microsoft Windows PowerShell Step by Step. This book has many hands-on labs and uses real-world examples to show the use of Windows PowerS...