PowerShell - Cross-Platform PowerShell
You want to automate a task on macOS that creates a directory only if it does not exist. Which PowerShell snippet correctly does this?
You want to automate a task on macOS that creates a directory only if it does not exist. Which PowerShell snippet correctly does this?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Check existence with Test-Path
Test-Path checks if directory exists; -not negates to create only if missing.Step 2: Create directory conditionally
New-Item with -ItemType Directory creates the folder only if it doesn't exist.Final Answer:
if (-not (Test-Path -Path './NewFolder')) { New-Item -ItemType Directory -Path './NewFolder' } -> Option BQuick Check:
Use Test-Path to conditionally create directories [OK]
Quick Trick: Use Test-Path to check before creating folders [OK]
Common Mistakes:
- Using mkdir without existence check
- Using New-Item without existence check
- Removing folder instead of creating
Master "Cross-Platform PowerShell" in PowerShell
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore PowerShell Quizzes