List of Listings

Chapter 17. You call this scripting?

Listing 17.1. Get-DiskInventory.ps1 with a parameterized command

Listing 17.2. Get-DiskInventory.ps1, with an input parameter

Listing 17.3. Get-DiskInventory.ps1, with an additional parameter

Listing 17.4. Adding help to Get-DiskInventory.ps1

Chapter 19. From command to script to function

Listing 19.1. Trying to get all the output into a single table

Listing 19.2. Wrapping the code in a function

Listing 19.3. Parameterizing the function

Listing 19.4. Using Write-Output to write to the pipeline

Listing 19.5. Outputting objects instead of text

Chapter 21. Creating your own “cmdlets” and modules

Listing 21.1. A filtering function

Listing 21.2. Adding a parameter to a filtering function

Listing 21.3. Breaking the function into two parts

Listing 21.4. Adding a second parameter

Listing 21.5. Making our filtering function into an advanced function

Listing 21.6. Making a script cmdlet do something dangerous

Listing 21.7. Making a script module that has private functions

Chapter 22. Trapping and handling errors

Listing 22.1. Pipeline functions target one computer at a time

Listing 22.2. Adding a Trap to our pipeline function

Listing 22.3. Deleting the error file at the beginning of the function

Listing 22.4. Moving the Trap construct to outside the function

Listing 22.5. Using a Try construct instead of the more complicated Trap

Listing 22.6. Using Trap and Try in the same script

Listing 22.7. Capturing the error into a variable and logging it to a file