A function which represents file creation in powershell

touch.ps1

function touch-equi {
    param( [string[]]$files)
    Foreach ($file in $files) {
        if (Test-Path -Path $file) {
            Write-Host "$file already exists."
            continue
        }
        New-Item -ItemType file $file
    }    
}

touch-equi a.txt,b.txt,x.txt