The while executes a piece of code if the control expression is true, and only stops when it is false (or a explicit break is found within the executed code. docker sleep infinity. kubernetes while true sleep Code Example - Grepper Syntax: until [ condition ]; do block-of-statements done. This answer is not useful. But i want to put in a option to exit the script using the exit command. Infinite while loop - Linux Bash Shell Scripting Tutorial Wiki You can do a loop, send one ping and depending on the status break the loop, for example (bash): while true; do ping -c1 www.google.com > /dev/null && break; done. Bash (Yes/No) Prompt. While True and While Else in Python - TOOLSQA $ NUM=0 while true do printf "Value of NUM = $NUM \n" ( (++NUM)) sleep 2 done Infinite while loop To create infinite loops, you can use the bash-builtin true keyword. The way you can use the arithmetic operator to calculate the remainder of a division. Also, use the "sleep" command when testing infinite loops which will give you control in stopping the script else your screen will be flooded with fast scrolling outputs. !" 3. Bash While True - Examples - TutorialKart read command reads each line passed as input from cat command and stores it in the LREAD variable. In a while loop, integer comparison inside the square brackets should be expressed using bash's built-in comparison operators . What is it? Bash - Tweaks and Tuning - blog.while-true-do.io while : do. echo " hello, need to enter ctrl+c to stop". Syntax: until [ condition ]; do block-of-statements done Here, the flow of the above syntax will be - Checks the condition. The while loop is used to performs a given set of commands an unknown number of times as long as the given condition evaluates to true. A read-while loop is a variation of the above, but is safer for reading lines from a file: . I have a while true loop that i use to monitor something.
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