I see no differences in win7 win10 behaviour for the following simple script (removing sounds and other amenities)

use strict;
use warnings;

$|++; #autoflush output

quit();

sub quit {
    my $sleep = 3;
    while ( $sleep ){
        print "\rQuitting in $sleep sec.";
        sleep 1;
        $sleep--;
    }
    exit;
}
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I find no differences even if the .pl program is doubleclicked AND .pl files are associated with a valid perl.exe interpreter. Is this your use case? Because normally a command prompt previously started is persistent. Anyway in both circumstances and in both OSs I see no different behaviour.

You can be interested in a more complex solution as you can read in Handling MSWin Script Output, where I posted the following code:

use strict;
use Win32::Process::Info;

my $pihandle = Win32::Process::Info->new();
my @procinfo = $pihandle->GetProcInfo();

my $ParentPID;
my %ProcNames;

foreach my $PIDInfo (@procinfo) {
    $ProcNames{$PIDInfo->{ProcessId}} = $PIDInfo->{Name};

    if ($PIDInfo->{ProcessId} == $$) {
        $ParentPID = $PIDInfo->{ParentProcessId};
        last;
    }
}

print "Parent's name is [", $ProcNames{$ParentPID}, "]\n";


if ( $ProcNames{$ParentPID} eq 'OpenWith.exe' or $ProcNames{$ParentPID
+} eq 'explorer.exe') {
    print 'Press ENTER to close the window: ';
    <>;
}
else{ print "..exiting normally\n"; }
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L*