This is what I see in Installer.bat, 

if (Win32::IsWinNT() && Win32::IsAdminUser()) {
    # XXX This could be done on Win9X by direct registry hacking
    print "\n";
    $create_file_association = yes("Create Perl file extension associa
+tion?", 1);

    print "\n";
    $create_perl_mapping = yes("Create IIS script mapping for Perl?", 
+1);

    print "\n";
    $create_isapi_mapping = yes("Create IIS script mapping for Perl IS
+API?", 1);
}

[download]

Then later      create_file_association() if $create_file_association; 

sub create_file_association
{
    # Don't leave a space between 'Perl' and '>nul'.
    # See http://bugs.activestate.com/show_bug.cgi?id=68656
    system("assoc .pl=Perl>nul") == 0
    or warn "Could not create .pl file type association\n";
    system(qq(ftype Perl="$perl" "%1" %* >nul)) == 0
    or warn "Could not define command to run .pl files\n";
}

[download]

In reply to Re: Add .PL extension to PATHEXT automatically by Anonymous Monk
in thread Add .PL extension to PATHEXT automatically by liverpole

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