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Bareword issue with Perl 5.34

by Anonymous Monk
on Oct 11, 2021 at 14:52 UTC ( [id://11137418]=perlquestion: print w/replies, xml ) Need Help??

Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

Hello monks

Loading the following does not produce any issue with Perl 5.28.

use strict; use warnings; $Win32::OLE::CP = CP_UTF8;

It produces issues however with Perl 5.34:

Bareword "CP_UTF8" not allowed while "strict subs" in use at l +ine 3. Execution of aborted due to compilation errors.

Changing $Win32::OLE::CP = CP_UTF8; to $Win32::OLE::CP = 'CP_UTF8'; avoid Perl complaining, however the feature is no more loaded. What is the best approach to solve this?

Replies are listed 'Best First'.
Re: Bareword issue with Perl 5.34
by Corion (Patriarch) on Oct 11, 2021 at 14:58 UTC

    I'm not sure why the code would work in Perl 5.28 as given, but for your problem see the Module Options of Win32::OLE. The new syntax to use is

    use Win32::OLE; Win32::OLE->Options(CP => Win32::OLE::CP_UTF8);

    Alternatively, you can make the CP_UTF8 constant known by importing it explicitly from Win32::OLE:

    use Win32::OLE 'CP_UTF8'; Win32::OLE->Options(CP => CP_UTF8);

      Thank you for your reply. I am starting to think that the issue is somewhere else. My .pl script should run both on macOS and on Windows. Obviously, when on it is run on macOS, the Win32::OLE should be skipped. I solved this like this:

      use if $^O eq 'MSWin32', 'Win32::OLE'; if ( $^O eq 'MSWin32' ) { $Win32::OLE::CP = 'CP_UTF8'; }

      Or compacter:

      use if $^O eq 'MSWin32', 'Win32::OLE::CP' => 'CP_UTF8';

      On macOS the scripts load correctly and Win32::OLE stuff is skipped. If I use the same without '' or any of your suggestions, I get the Bareword "CP_UTF8" error. Am I everseeing something?

        I think you want

        use if $^O eq 'MSWin32', 'Win32::OLE', 'CP' => 'CP_UTF8';

        That is still the "old" way of using Win32::OLE. The new way would be something like:

        use if $^O eq 'MSWin32', 'Win32::OLE'; if( $^O eq 'MSWin32' ) { Win32::OLE->Options( CP => 'CP_UTF8' ); # or maybe # Win32::OLE->Options( CP => Win32::OLE::CP_UTF8 ); }
Re: Bareword issue with Perl 5.34
by Fletch (Bishop) on Oct 11, 2021 at 19:56 UTC

    Something's wonky because I tried with 5.26.1 and 5.32.1 (which is what I had installed handy) and both griped with the (expected, due to strict) bareword not allowed. Longshot (and this is really straw-grasping) but you might check your PERL5OPT environment variable and maybe see if you've got something that might be pulling something in and defined CP_UTF8 wherever your 5.28 is (presuming this is on different machines with different environments; if it's the same box / same user / same environment . . . it is a puzzlement).

    Addendum: Not that you've not already worked out the solution, but if you're trying to track down what's happening . . .

    The cake is a lie.
    The cake is a lie.
    The cake is a lie.

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