Equivalent of *Nix 'which' command in PowerShell?

Question

How do I ask PowerShell where something is?

For instance, \"which notepad\" and it returns the directory where the notepad.exe is run from according to the current

Answer 1

If you want a comamnd that both accepts input from pipeline or as paramater, you should try this:

function which($name) {
    if ($name) { $input = $name }
    Get-Command $input | Select-Object -ExpandProperty Path
}

copy-paste the command to your profile (notepad $profile).

Examples:

❯ echo clang.exe | which
C:\Program Files\LLVM\bin\clang.exe

❯ which clang.exe
C:\Program Files\LLVM\bin\clang.exe

Answer 2

A quick-and-dirty match to Unix which is

New-Alias which where.exe

But it returns multiple lines if they exist so then it becomes

function which {where.exe command | select -first 1}