Nested Loop in Bash Script Examples

1. What is nested loop give example?
2. How do you make a nested for loop in bash?
3. How do you read a nested loop?
4. How do you use two for loops in Shell?
5. What is nested loop in C++ with examples?
6. What are the 3 types of loops?
7. What is nested loop in assembly language?
8. What is nested while loop?
9. What is nested loop Class 7?
10. How often is the inner loop of a nested loop run?
11. What is the general purpose of a loop?
12. What loop means?

What is nested loop give example?

The inner loop is nested inside the outer loop. Nested loops are useful when for each pass through the outer loop, you need to repeat some action on the data in the outer loop. For example, you read a file line by line and for each line you must count how many times the word “the” is found.

How do you make a nested for loop in bash?

Example of a bash nested for loop

Bash recognizes when the first commands are successfully executed; then, it refers to the inner loop to continue, while leaving the outer loop alone. This same process applies when you nest a for loop inside a while loop.

How do you read a nested loop?

When a loop is nested inside another loop, the inner loop runs many times inside the outer loop. In each iteration of the outer loop, the inner loop will be re-started. The inner loop must finish all of its iterations before the outer loop can continue to its next iteration.

How do you use two for loops in Shell?

For each value of i the inner loop is cycled through 5 times, with the variable j taking values from 1 to 5. The inner for loop terminates when the value of j exceeds 5, and the outer loop terminates when the value of i exceeds 5.

What is nested loop in C++ with examples?

• Nested loop means a loop statement inside another loop statement. That is why nested loops are also called as “loop inside loop“.
• Example 1: Below program uses a nested for loop to print a 2D matrix of 3×3.
• Example 2: Below program uses a nested for loop to print all prime factors of a number.

What are the 3 types of loops?

Visual Basic has three main types of loops: for.. next loops, do loops and while loops.

What is nested loop in assembly language?

A natural extension of the loops we have used so far is a construction which has a loop within a loop, within a loop, and so on. This type of construction is referred to as nested loops, because each loop nests insides another loop.

What is nested while loop?

Using While loop within while loops is said to be nested while loop. ... In nested while loop, the number of iterations will be equal to the number of iterations in the outer loop multiplies by the number of iterations in the inner loop which is most same as nested for loop.

What is nested loop Class 7?

Explanation: loop within another loop is called 'nested loop'. Note:outer loop begins first but ends last,whereas inner loop begins last but end first.

How often is the inner loop of a nested loop run?

The outer loop executes 2 times and each time the outer loop executes the inner loop executes 3 times so this will print 2 * 3 = 6 stars. Click to see full answer.

What is the general purpose of a loop?

The purpose of loops is to repeat the same, or similar, code a number of times. This number of times could be specified to a certain number, or the number of times could be dictated by a certain condition being met.

What loop means?

In computer science, a loop is a programming structure that repeats a sequence of instructions until a specific condition is met. Programmers use loops to cycle through values, add sums of numbers, repeat functions, and many other things. Two of the most common types of loops are the while loop and the for loop. ...