Example 1: Infinite While loop in a shell script An infinite While loop means your script will run the loop commands non-stop. Infinite While loops never stop running and this occurs when the condition always t
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 ...
for i in {1..10} ;do userdel -r user$i ;done 3、/etc/rc.d/rc3.d目录下分别有多个以K开头和以S开头的文件;分别读取每个文件,以K开头的输出为文件加stop,以S开头的输出为文件名加start,如K34filename stop S66filename start for files in /etc/rc.d/rc3.d/[KS]* ;do if [ `basename $f...
For example, the below-given Bash script is printing numbers 1 to 5 to the standard output. Use thebreakstatement to exit the loop when the counter reaches 4. #!/bin/bash i=0 while [ $i -lt 5 ] do i=$(( $i+1 )) if [ $i -eq 4 ] then break fi echo $i done Bash while...
In shell scripting, using user input as a condition for awhileloop adds dynamic executionas it enables us to control the flow of the script based on their input. 3.1. Prompting for User Input To demonstrate, let’s utilize thereadcommand to prompt the user: ...
The program execution jumps to the call to print() in the final line of the script.Running break.py from the command line produces the following output:Shell $ python break.py 5 4 3 Loop ended The loop prints values normally. When number reaches the value of 2, then break runs, ...
Here is a sample shell code to calculate factorial using while loop: #!/bin/bashcounter=$1factorial=1while[$counter-gt0]dofactorial=$(($factorial*$counter))counter=$(($counter-1))doneecho$factorial To run just type: $ chmod +x script.sh ...
Here is a sample shell code to calculate factorial using while loop: #!/bin/bash counter=$1 factorial=1 while [ $counter -gt 0 ] do factorial=$(( $factorial * $counter )) counter=$(( $counter - 1 )) done echo $factorial
PowerShell Copy while($val -ne 3) { $val++ Write-Host $val } In this example, the condition ($val is not equal to 3) is true while $val is equal to 0, 1, and 2. Each time through the loop, $val is incremented by 1 using the ++ unary increment operator. The last time ...
You should run the loop in a separate thread. However to access controls on the Form from a separate thread you will need to use something such as a delegate sub to update those controls as the delegate sub will be on the same thread as the Form....