Danh mục: BASH

When we need to search for anything using shell commands then we need to define a pattern for searching. Wildcard characters are used to define the pattern for searching or matching text on string data in the bash shell. Another...

In many cases, bash scripts require argument values to provide input options to the script. You can handle command line arguments in a bash script by two ways. One is by using argument variables and another is by using getopts...

Many types of commands are available in bash to show the content a file. Most commonly used commands are ‘cat’, ‘more’, ‘less’, ‘head’ and ‘tail’ commands. To read the entire file, ‘cat’, ‘more’ and ‘less’ commands are used. But when...

How would you write a Bash script that can process a text file one line at a time.  First you need a syntax and approach to read the file line by line. The methods for this approach are shown in...

Bash scripts can be used for various purposes, such as executing a shell command, running multiple commands together, customizing administrative tasks, performing task automation etc. So knowledge of bash programming basics is important for every Linux user. This article will...