Do While loop in shell programming?

The while loop enables you to execute a set of commands repeatedly until some condition occurs. It is usually used when you need to manipulate the value of a variable repeatedly.

How do you write a while loop in shell?

ksh #!/bin/ksh # Script name: while. ksh num=1 while (( num < 6 )) do print “The value of num is: $num” (( num = num + 1 )) # let num=num+1 done print “Done.” $ ./while. ksh Value of num is: 1 Value of num is: 2 Value of num is: 3 Value of num is: 4 Value of num is: 5 Done.

Which loop is not available to shell programmers?

Explanation: The foreach loop is not available in shell.

What is shell loop?

A ‘for loop’ is a bash programming language statement which allows code to be repeatedly executed. A for loop is classified as an iteration statement i.e. it is the repetition of a process within a bash script. A for loop can be used at a shell prompt or within a shell script itself.

What is while loop in shell script?

The while loop enables you to execute a set of commands repeatedly until some condition occurs. It is usually used when you need to manipulate the value of a variable repeatedly. Here the Shell command is evaluated. If the resulting value is true, given statement (s) are executed.

What is an example of while loop?

A while loop is a control flow structure which repeatedly executes a block of code indefinite no. of times until the given condition becomes false. For example, say, you want to count the occurrence of odd numbers in a range. Some technical references call it a pre-test loop as it checks the condition before every iteration.

What is while loop in PL/SQL?

you use a WHILE LOOP when you are not sure how many times you will execute the loop body and the loop body may not execute even

What is while loop in Java?

while loop: A while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition.