Nibble and Bit

6/14/25

PowerShell 7 Silent Fails (Commands that won't work with Try/Catch)

Set-StrictMode -Version Latest	Forces all variables to be declared (no implicit variables)	Scope - Script
$ErrorActionPreference = 'Stop'	Throw erros to work with Try Catch	Scope - Script
-ErrorAction Stop	Throw erros to work with Try Catch	Scope - Single Line

Command	Description	Fail Silently	Failure Condition
New-Item	Creates a file or folder	Yes	Item Exists
Remove-Item	Deletes Files / Folders	Yes	If file does NOT exist
Copy-Item	Copies Files/Folders	Yes	If destination / target exists
Move-Item	Moves files / folders	Yes	If target exists
Rename-Item	Renames files / folders	Yes	If target exists
Set-Item	Changes Property Values	Yes	If item does NOT exist
Test-Path	Checks to see if a file / folder exists	NO	Retuens $true / $false
Get-ChildItem	Dir (DOS) / ls (Unix)	Yes	No items found
Get-Content	Reads a file	Yes	File does NOT exist
Set-Content	Writes to a file	Yes	If the flie is locked
Add-Content	Appends to a file	Yes	If he file is locked

Revised Feb 20, 2025