I have been playing with this for a couple of days and have run into a few

I am wanting to run a set number of multiple processes (ie 25 at a time).  I
can't use the exec command since it will not wait for the output (this is a
delayed response - network based).

$cmd = "/path.to/some.cmd";
$options = "--options";

$lines = file (/path.to/some.file);
while (list ($line_num, $line) = each ($lines)) {
    $trimline = trim ($line);
    shell_exec ("$cmd $options $trimline &");

This works but I want to fork it multiple times and have a set number of
lines running at a time.  Anyone have any ideas?

Thank you,
Roy Walker

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