Upload to transfer.sh from Powershell

transfer.sh.ps1

function transfer ($filename)
{
    $file = Get-Item $filename;
    invoke-webrequest -method put -infile $file.FullName https://transfer.sh
}

"Test" | Set-Content .\test.txt
transfer(".\test.txt")

I've added the short filename as "$($file.Name)" and write link to the file to stdout:

function transfer.sh ($filename)
{
  $file = Get-Item $filename;
  (Invoke-WebRequest -Method PUT -InFile $file.FullName -Uri https://transfer.sh/$($file.Name)).Content
}

PS C:\tmp> "Test" | Set-Content .\test.txt
PS C:\tmp> transfer.sh .\test.txt
https://transfer.sh/2k60s/test.txt
PS C:\tmp>