An input test to understand piping in Powershell

InputTest.ps1

param( [switch]$parent, [switch]$child, [switch]$help, [string]$template );

function displayHelp()
{
    echo "Input is piped in from the command line.`nThis script will process some stuff";
    echo "Parameters:`n";
    echo "`t-child`tProcess the child nodes";
    echo "`t-parent`tProcess the parent nodes";
    echo "`nExample:";
    echo "`t1,2,3|.\InputTest.ps1 -child -parent";
}

$count = @($input).Count;
$input.Reset();

if( ( !$parent -and !$child ) -or $help -or ( $count -eq 0 ) -or ( $template.CompareTo("") -eq 0 ) )
{
    displayHelp;
    break;
}
else
{
    if( $parent )
    {
        echo "You selected Parent";
    }

    if( $child )
    {
        echo "You selected Child";
    }

    echo $template"\_child";
    echo "You piped $count values.";

    foreach( $numb in $input )
    {
        echo "Input was: $numb";
    }
}

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