Crude Win32 development restarter

#!perl -w use strict; use Win32::ChangeNotify; use Getopt::Long;

GetOptions( 'dir|d:s' => \my @directories, );

my $child;

sub launch_child { warn "Launching [@]"; my $pid = system(1, @); warn "Server PID: $pid"; $pid; };

my $path = $directories[0];

while (1) { my $child = launch_child(@ARGV);

  my $notify = Win32::ChangeNotify->new($path,1,'DIR_NAME FILE_NAME LAST_WRITE SIZE');
  $notify->wait or warn "Something failed: $!\n";
  # There has been a change.
  warn "Killing $child";
  kill 9 => $child;
  undef $child;

};

END { kill $child if $child; }; END =head1 SYNOPSIS

server-restarter.pl -d lib -- perl -w \strawberry\perl\bin\plackup --server Twiggy bin\server.psg

=head1 USAGE

server-restarter.pl -d DIRECTORY -- command to launch

=cut