When my brother saw me exploring awk, he said, 'Boy, have we overused this command!' Of course, not everything displayed on the screen is important—or even necessary. In this recipe, we learn to separate the columns in PowerShell, without using the Linux command, awk.
Selecting columns from the output
by Ram Iyer, Prashanth Jayaram
PowerShell 6.0 Linux Administration Cookbook
- Preface
- Installation, Reference and Help
- Introduction
- Installing PowerShell
- Fetching Help Information in PowerShell
- Fetching Help Information for a Specific Cmdlet
- Updating Help
- Searching Help for Keywords
- Looking for help information specific to a parameter
- Exploring the About_ Topics
- Discovering Cmdlets
- Finding Modules
- Installing Modules from the Repository
- Listing the Various Providers in PowerShell
- Introducing the Core and its Capabilities
- Introduction
- Dissecting a .NET Core Object
- Breaking down an output into different objects
- Parsing input from text to object
- Comparing the outputs of Bash and PowerShell
- Comparing Windows PowerShell and PowerShell
- Listing out the aliases and using them in place of cmdlets
- Creating a Custom Alias
- Export/Import Custom Aliases for Future Use
- Listing out the execution policies and setting a suitable one
- Preparing for Administration using PowerShell
- Introduction
- Installing Visual Studio Code
- Configuring automatic variables
- Changing the shell behaviour using a variable
- Enabling automated execution of commands for each load
- Customising the terminal prompt
- Understanding standard redirection in PowerShell
- Calling native Linux commands from PowerShell
- Understanding cmdlets and parameters
- Running cmdlets with minimal keystrokes
- Finding parameter aliases
- Calling a PowerShell script
- Dot-sourcing a PowerShell script
- Calling a PowerShell cmdlet from outside of PowerShell
- Recording the cmdlets run on the PowerShell console
- First Steps in Administration using PowerShell
- Introduction
- Working with date properties
- Working with date and time functions
- Working with currently-running processes to measure resource consumption
- Launching and stopping a process
- Finding the owner of a process
- Invoking an application based on the file type
- Installing the Crontab PowerShell module 
- Scheduling jobs in PowerShell
- Removing the jobs in PowerShell
- Passing Data through the Pipeline
- Introduction
- Selecting columns from the output
- Limiting the number of output objects
- Expanding the properties within properties
- Filtering objects
- Grouping the output
- Sorting the output
- Taking actions on the returned objects
- Understanding pipeline-enabled parameters
- Importing content into PowerShell
- Using Variables and Objects
- Flow Control using Branches and Loops
- Introduction
- Using If–ElseIf–Else conditions to control script flow
- Using Switch–Case conditions to control script flow
- Learning to use delays
- Writing a basic looping construct
- Writing a more complex loop on a predefined array
- Using the For loop construct
- Using the While loop construct
- Cleaning empty directories using the Do–While construct
- Cleaning empty directories using the Do–Until construct
- Working with Strings
- Performing Calculations
- Using Arrays and Hash Tables
- Handling Files and Directories
- Building Scripts and Functions
- Advanced Concepts of Functions
- Getting Under the Hood: Debugging and Error Handling
- Working with the Environment
- Security in PowerShell
- Enterprise Administration using PowerShell
- Best Practices Round-up
- PowerShell and Cloud Operations
- Using PowerShell for SQL Database Management
Selecting columns from the output
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