Results for “File operations & paths”
Small, practical examples. Search by task or narrow things down below.
Restrict a function parameter to known choices
PowerShell: ValidateSet rejects unsupported values before the function body executes.
PowerShell✓ Tested
Return a collection as one pipeline object
PowerShell: The unary comma prevents the returned array from being enumerated at this boundary.
PowerShell✓ Tested
Round a decimal with a chosen midpoint rule
PowerShell: Use decimal input and an explicit rounding policy for a reproducible decimal result.
PowerShell✓ Tested
Run a first PowerShell statement
PowerShell: Run a first PowerShell statement using PowerShell 7.
PowerShell✓ Tested
Run cleanup after a caught exception
PowerShell: Use finally for cleanup that must occur after either success or failure.
PowerShell✓ Tested
Select object properties
Create a smaller object with only the fields you need.
Select-Object✓ Tested
Select the first pipeline values
PowerShell: Select the first pipeline values using PowerShell 7.
PowerShell✓ Tested
Serialize a hashtable as JSON
Produce compact JSON for a small data object.
JSON✓ Tested
Serialize nested objects with an explicit depth
PowerShell: Select a sufficient depth so nested data is retained instead of converted into a descriptive string.
PowerShell✓ Tested
Show the current directory
Print the absolute path of your current working directory before running commands that depend on relative paths.
directory✓ Tested
Sort a sequence of numbers
PowerShell: Sort a sequence of numbers using PowerShell 7.
PowerShell✓ Tested
Sort and deduplicate values
Produce an ordered list without duplicates.
Sort-Object✓ Tested