如何在PowerShell中将绝对路径转换为相对路径？

Question

我想在PowerShell脚本中将路径转换为相对路径.如何使用PowerShell执行此操作？

例如:

Path to convert: c:\documents\mynicefiles\afile.txt
Reference path:  c:\documents
Result:          mynicefiles\afile.txt

和

Path to convert: c:\documents\myproject1\afile.txt
Reference path:  c:\documents\myproject2
Result:          ..\myproject1\afile.txt

Answer 1

我找到了内置的东西,Resolve-Path:

Resolve-Path -Relative

这将返回相对于当前位置的路径.一个简单的用法:

$root = "C:\Users\Dave\"
$current = "C:\Users\Dave\Documents\"
$tmp = Get-Location
Set-Location $root
Resolve-Path -relative $current
Set-Location $tmp

Answer 2

使用内置System.IO.Path.GetRelativePath比接受的答案更简单：

[System.IO.Path]::GetRelativePath($relativeTo, $path)