Tag archives for shell
How to concatenate string variables in Bash
Here are few preferred ways to concatenate string variables in bash script Concatenate string variables in Bash the variable one after another in echo #!/bin/bash var1="Techieroop" var2="${var1} Tutorial" echo "${var2}"…
How to check if a string contains a substring in Bash
Here are the couple of methods to check if a string contains a substring in bash shell script. Methods to check if string contains a substring in Bash Method 1:…
Shell Script Questions and Answers
Please find below list of Shell Script Questions and Answers. Shell Script Questions and Answers 1. Given two integers, X and Y , find their sum, difference, product, and quotient. Constraints X…
Check if array contains value in shell script
Check if array contains value in shell script Here is simple bash script to check if array contains value . We can iterate over array and check if value is…
How to get process ID of background process?
I usually prefer to execute process in background so that we don't need to worry if terminal got killed due to timeout or accidently. However, what if you want to…
How to Split String with a Delimiter in Shell Script
Split String with a Delimiter in Shell Script You can use Internal Field Separator (IFS) variable in shell script to split string into array. When we set IFS variable then…
How to validate date format in shell script
How to validate date format in shell script There are multiple ways you can validate date format in shell script. You can compare date format with regular expression or you…
Loop through a date range in Shell Script
Loop through a date range in Shell Script Here is a simple shell script which accept two date value as argument and perform desired action for date value in #!/usr/bin/bash…
Pass date as mandatory arguments in bash script
Pass date as mandatory arguments in bash script I came across a use case where I have to write a shell script to perform some action on two date ranges.…
How to define multiline string variable in shell?
How to define multiline string variable in shell? In your bash/shell scripting experience you may face scenario where you need to define multi line string variable. Here is multiple ways…
