Quick Answer: How Do I Read a While Loop in Linux?

How do you use a while loop in Linux?

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. The while statement starts with the while keyword, followed by the conditional expression. The condition is evaluated before executing the commands.

How do you read a loop file in Unix?

Looping through the content of a file in Bash

1. # Open vi Editor vi a_file. txt # Input the below lines Monday Tuesday Wednesday Thursday Friday Saturday Sunday # cat the file cat a_file. txt. …
2. #!/bin/bash while read LINE do echo “$LINE” done < a_file. txt. …
3. #!/bin/bash file=a_file. txt for i in `cat $file` do echo “$i” done.

3 янв. 2020 г.