The snippet library.
Small, practical examples. Search by task or narrow things down below.
Check a suffix without case sensitivity
PowerShell: Use an ordinal case-insensitive comparison for a known filename extension.
PowerShell✓ Tested
Check an external process exit status explicitly
PowerShell: LASTEXITCODE reports a native child exit code independently of ordinary PowerShell cmdlet errors.
PowerShell✓ Tested
Check for a hashtable key before reading it
PowerShell: ContainsKey distinguishes a missing key from a key whose value happens to be null.
PowerShell✓ Tested
Check whether a command can be resolved
PowerShell: Get-Command with a local error override supports an expected missing-command lookup.
PowerShell✓ Tested
Choose an action with switch
Map a small command value to a result.
switch✓ Tested
Clamp a number to inclusive bounds
PowerShell: Math.Clamp chooses the nearest endpoint for an out-of-range value.
PowerShell✓ Tested
Combine conditions with and
PowerShell: Combine conditions with and using PowerShell 7.
PowerShell✓ Tested
Compare a value with a limit
PowerShell: Compare a value with a limit using PowerShell 7.
PowerShell✓ Tested
Compute beyond the fixed-width integer range
PowerShell: BigInteger keeps an exact result when ordinary integer types are too small.
PowerShell✓ Tested
Construct a record with named properties
PowerShell: PSCustomObject gives downstream pipeline commands meaningful property names.
PowerShell✓ Tested
Convert an object’s properties into a hashtable
PowerShell: Enumerate PSObject.Properties when the set of property names is known only at runtime.
PowerShell✓ Tested
Convert between hexadecimal text and bytes
PowerShell: Use the .NET hexadecimal helpers instead of parsing byte pairs manually.
PowerShell✓ Tested