Private/Get-IgugaRelativePath.ps1
|
function Get-IgugaRelativePath() { <# .SYNOPSIS Returns a relative path from one path to another. .DESCRIPTION Returns a relative path from one path to another using the linux directory separator. .PARAMETER RelativeTo The source path the result should be relative to. This path is always considered to be a directory. .PARAMETER Path The destination path. .EXAMPLE PS> Get-IgugaRelativePath -RelativeTo "C:\Test\" -Path "C:\Test\File.txt" #> [OutputType([string])] [CmdletBinding()] param( [Parameter(Position = 0, Mandatory = $true)] [string] $RelativeTo, [Parameter(Position = 1, Mandatory = $true)] [string] $Path ) if (-not([System.IO.Path]::IsPathRooted($RelativeTo))) { if (-not(Test-Path -LiteralPath $RelativeTo -PathType Any)) { # In this case will not use Resolve-path because it requires that the path exists $RelativeTo = Join-Path -Path (Get-Location).Path -ChildPath $RelativeTo $RelativeTo = Join-Path -Path $RelativeTo -ChildPath '.' $RelativeTo = [System.IO.Path]::GetFullPath($RelativeTo) } else { $RelativeTo = Resolve-Path -LiteralPath $RelativeTo } } if (-not([System.IO.Path]::IsPathRooted($Path))) { if (-not(Test-Path -LiteralPath $Path -PathType Any)) { # In this case will not use Resolve-path because it requires that the path exists $Path = Join-Path -Path (Get-Location).Path -ChildPath $Path $Path = Join-Path -Path $Path -ChildPath '.' $Path = [System.IO.Path]::GetFullPath($Path) } else { $Path = Resolve-Path -LiteralPath $Path } } $WindowsDirSep = [System.IO.Path]::DirectorySeparatorChar $LinuxDirSep = [System.IO.Path]::AltDirectorySeparatorChar $RelativeTo = $RelativeTo.Replace($WindowsDirSep, $LinuxDirSep).TrimEnd($LinuxDirSep) $Path = $Path.Replace($WindowsDirSep, $LinuxDirSep).TrimEnd($LinuxDirSep) $Result = $Path $Pos = $Path.IndexOf($RelativeTo) if ($Pos -eq 0) { if ($RelativeTo.Length -eq $Path.Length) { $Result = ".$LinuxDirSep" } else { $Result = ".$LinuxDirSep" + $Path.Remove(0, $RelativeTo.Length).TrimStart($LinuxDirSep) } } return $Result } |