Author: Arpit Mandliya

Using printf Command Use the printf command to convert float to integer in bash. [crayon-67691be40c343768164995/] [crayon-67691be40c34c809613248/] First, the float_num variable is initialized with the floating-point number. Then to convert the floating-point number to an integer, the printf command is used with the format string %.0f (specifies that printf should output the floating-point number with zero […]

Using eval Command Use the eval command to run a string as a command in Bash [crayon-67691be40c7ac180059366/] [crayon-67691be40c7b3763296191/] In the above code, the eval command evaluates and executes the arguments passed to it as a Bash command. The argument passed to eval is an echo Hello, world! string. This string represents the command that we […]

Using Set-Location Cmdlet Use the Set-Location cmdlet to change directory in PowerShell. [crayon-67691be40c97d209032281/] [crayon-67691be40c982682420731/] Above, we have used the Set-Location cmdlet to change the directory from C:\ to D:\ drive. In PowerShell, Set-Location is used to specify the current working directory. First, the working directory was C:\Users\DELL after using Set-Location -Path D:\ current working directory […]

An array is a collection of data elements stored together under a single variable name. Unlike other programming languages, the array in PowerShell contains the values of the same or different data types. It is defined using square brackets [ ] with each element separated by a comma. The array’s index starts with zero, meaning […]

Using BASH_SOURCE Array To get the current script’s directory in a Bash, use the BASH_SOURCE array with pwd command. [crayon-67691be40cfbe411274336/] [crayon-67691be40cfc3192517019/] [crayon-67691be40cfc5070144368/] In the above example, the BASH_SOURCE variable is used with dirname to get the path of executing the script directory. In Bash, the BASH_SOURCE is an array variable containing the list of source […]

We can use different solutions to get the exit code of the last command in PowerShell, but before that, it is essential to know what does exit command means. The exit command terminates the current PowerShell script or session in PowerShell. When an exit command is executed, the PowerShell session or script will be immediately […]

Using $RANDOM Variable Use the $RANDOM variable with cut command to generate random string in Bash. [crayon-67691be40d3e3130910351/] [crayon-67691be40d3e7444217161/] Bash provides a built-in variable $RANDOM that generates random numbers between 0 and 32767. We can use this variable to generate random strings of any length. Here’s how to generate a random string of length 10. The […]

Using Select-String with Regex to Find Patterns from File There are multiple scenarios where we can use Select-String with a regular expression (also called regex) to search for particular patterns from file(s). Some of them are given below: Search a specific pattern in a single file Search a particular pattern in multiple files Search multiple […]

Using Get-Content Cmdlet We can use multiple ways to split the specified text file into an array based on every new line. To practice those methods and commands, we will use the file.txt file having the following content. Of course, you can also create or use your text file. [crayon-67691be40d88c350779181/] Let’s continue learning the solutions […]