Public/Remove-BadCharacters.ps1
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function Remove-BadCharacters { <# .Synopsis Remove invalid filename characters .DESCRIPTION Replaces the invalid filename characters with an empty string. .PARAMETER String .EXAMPLE 'How To: A guide to do shit?' | Remove-BadCharacters .EXAMPLE Remove-BadCharacters 'This on?' .INPUTS String .OUTPUTS String .NOTES Source: https://virot.eu/cleaning-downloaded-filenames-of-invalid-characters/ #> [CmdletBinding( SupportsShouldProcess, PositionalBinding=$false )] [Alias('FixChars')] [OutputType([String])] Param( # String that will have invalid filename characters removed from [Parameter( Mandatory, ValueFromPipeline, Position=0 )] [ValidateNotNullOrEmpty()] [string]$String ) Begin { $BadChars = [string]::Join('',([System.IO.Path]::GetInvalidFileNameChars())) -replace '\\','\\' $BadChars2 = [string]::Join('',([System.IO.Path]::GetInvalidPathChars())) -replace '\\','\\' } Process { $String -replace "[$BadChars]" -replace "[$BadChars2]" } } |