private/Test-IsFileWritable.ps1
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function Test-IsFileWritable { <# .Synopsis Check if one or more existing files are writable .Parameter Path The path to the file. .Parameter IfNotExist How to consider the case if Path is not a file ($false: file is not writable, $true: file is writable - default: $true) #> [OutputType([bool])] param ( [Parameter(Mandatory = $true, Position = 0)] [ValidateNotNull()] [ValidateLength(1, [int]::MaxValue)] [string]$Path, [Parameter(Mandatory = $false, Position = 1)] [bool]$IfNotExist = $true ) if (Test-Path -LiteralPath $Path -PathType Leaf) { try { [System.IO.File]::OpenWrite($Path).Close() $result = $true } catch [System.IO.IOException] { Write-Verbose $_.Exception.Message $result = $false } } else { $result = $IfNotExist } $result } |