// confiure Perl number generator
string perlCommand = @"C:\cygwin\bin\perl.exe";  // your Perl
string perlScript = "ranArrayGen.pl";            // your script

// how big of array ( default = 20 x 20 )
Console.Write("Enter desired array size [20]: ");
string perlArg = Console.ReadLine();
int readInt;
if ( !int.TryParse( perlArg, out readInt ) )
    perlArg = "20";

// setup process info for script
ProcessStartInfo perlStartInfo = new ProcessStartInfo(perlCommand);
perlStartInfo.Arguments = perlScript + " " + perlArg;
perlStartInfo.UseShellExecute = false;
perlStartInfo.RedirectStandardOutput = true;

// execute Perl number generator
Process perl = new Process();
perl.StartInfo = perlStartInfo;
perl.Start();
string data = perl.StandardOutput.ReadToEnd();
perl.WaitForExit();
perl.Close();

// display working array data
Console.WriteLine("Using:\n{0}", data);