What is the syntax of while loop in shell scripting?

Both following examples work in modern Bash but don't work in different sh shells (like QNX shell). ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Jan 13, 2022 in Education by JackTerrance

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Q: Explain the syntax for for loop?

Explain the syntax for for loop?...

asked Jan 17, 2021 in Technology by JackTerrance

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Q: What is the code in a while loop that returns the output of the given code?

What is the code in a while loop that returns the output of the given code?...

asked Nov 8, 2020 in Technology by JackTerrance

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Q: ____ allows you to loop through a block of code as long as the specified condition is true. Tag While For

____ allows you to loop through a block of code as long as the specified condition is true. a)Tag b)While c)For...

asked Oct 8, 2020 in Technology by JackTerrance

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Q: Javascript: While Loop to Solve Exponents Problem Getting Error When Power Equals 0

I wrote javascript code to solve the following problem >>> Write a function exponentiate that accepts two ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Jun 5, 2022 in Education by JackTerrance

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Q: stop while loop when the text ends

I have a program that loops through the lines of a book to match some tags I've created indicating ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Apr 23, 2022 in Education by JackTerrance

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Q: A variable modified inside a while loop is not remembered

In the following program, if I set the variable $foo to the value 1 inside the first if statement, ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...

asked Apr 17, 2022 in Education by JackTerrance

JackTerrance · Answer 1 · 2021-05-28T08:50:28+0000

The while loop is used to repeat its block of commands a number of times. It is different from for loop, it iterates until the while condition is no longer true.

while [ test_condition ]  
do  
commands...  
done   