@cjerrington that's a tough one to answer, in my usage I often use start-transcript (and then stop-trasnscript) heavily
Recently I was reading on social media a post where someone asked, "What is your favorite PowerShell command?". I saw many responses like Get-Help, Get-ChildItem, Out-GridView. One of my favorites is Select-Object since so many PowerShell commandlets return an object to display the data.
For example, when running Get-ChildItem you get some default output of the objects it return: Mode, LastWriteTime, Length and Name. Now when we pipe over Select-Object we can see there are more data objects in the return.
Try it out, Get-ChildItem | Select-Object *. The * will select all all items and show them in the console. I'll select the README.md for my website
PSPath : Microsoft.PowerShell.Core\FileSystem::C:\git\cjerrington.github.io\README.md
PSParentPath : Microsoft.PowerShell.Core\FileSystem::C:\git\cjerrington.github.io
PSChildName : README.md
PSDrive : C
PSProvider : Microsoft.PowerShell.Core\FileSystem
PSIsContainer : False
Mode : -a---
ModeWithoutHardLink : -a---
VersionInfo : File: C:\git\cjerrington.github.io\README.md
InternalName:
OriginalFilename:
FileVersion:
FileDescription:
Product:
ProductVersion:
Debug: False
Patched: False
PreRelease: False
PrivateBuild: False
SpecialBuild: False
Language:
BaseName : README
Target :
LinkType :
Length : 927
DirectoryName : C:\git\cjerrington.github.io
Directory : C:\git\cjerrington.github.io
IsReadOnly : False
FullName : C:\git\cjerrington.github.io\README.md
Extension : .md
Name : README.md
Exists : True
CreationTime : 7/13/2022 8:35:43 PM
CreationTimeUtc : 7/14/2022 1:35:43 AM
LastAccessTime : 2/25/2023 7:16:34 PM
LastAccessTimeUtc : 2/26/2023 1:16:34 AM
LastWriteTime : 2/4/2023 11:30:13 AM
LastWriteTimeUtc : 2/4/2023 5:30:13 PM
LinkTarget :
Attributes : ArchiveAs you can see there are quite a few more object details gathered than what is initially shown to us. This quick commandlet can help you learn more about a command, or the object it is returning. I've used this to remind myself some of the additional items like Name, BaseName, FullName. It's nice to have these options available to you without extra work too.
When doing certain commands with PowerShell it is best to use the FullName, and that is already provided and we wont have to do a Join-Path quite as often.
Beyond selecting all properties, you can select what you need too.
$files = Get-ChildItem | Select-Object Name,FullName
Write-Host $files
Name FullName
---- --------
README.md C:\git\cjerrington.github.io\README.mdAs you can see now, we have just what we might need in our $files object. With this though, we won't have other attributes like Extension. The other fun item with selecting data, is wrapping it around some parenthesis.
$files = (Get-ChildItem).Name
Write-Host $files
README.mdIn this example we are filtering the whole object as well and it only returns the Name property. PowerShell has a lot of neat little tricks like this that are helpful in the moment, but also in some scripts to possibly help ensure you get only the data properties you are needing and not accidentally doing something you don't meant to do. What is your favorite PowerShell command?
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