Rudimentary implementation of *nix watch command for Powershell

watch-function.ps1

# Rudimentary implementation of *nix watch command for Powershell
# Tested under 2.0 and 5.1
# Example usage:
#   watch ls
#   watch 'echo "Command with parameters"'
#   watch -n 1 'echo "Display this every second"'
#   watch -n 1 -command 'echo "Explicit use of the command parameter"'

function watch {
    Param(
        [Parameter(Mandatory=$true)][string]
        $command,
        [Parameter(Mandatory=$false)][int]
        $n = 2
    )

    while($true) {
        clear
        Write-Output (iex $command | Format-Table)
        sleep $n
    }
}