On Thursday, January 2, 2014 4:47:08 PM UTC+5:30, Tony Mechelynck wrote:
> On 02/01/14 10:50, Pritesh Ugrankar wrote:
>
> > On Thursday, January 2, 2014 3:12:27 PM UTC+5:30, Tony Mechelynck wrote:
>
> >> On 02/01/14 10:08, Pritesh Ugrankar wrote:
>
> >>
>
> >>> Hi,
>
> >>
>
> >>>
>
> >>
>
> >>> Vim newbie here.
>
> >>
>
> >>>
>
> >>
>
> >>> Please let me know the relation between the :version command showing
> >>> +perl/dyn and "echo has ("perl") returning 1.
>
> >>
>
> >>>
>
> >>
>
> >>> I am using gVim7.4 (downloaded from www.vim.org) on Windows 7.
>
> >>
>
> >>>
>
> >>
>
> >>> I had earlier installed Strawberry Perl version 5.16.3 (32 Bit) and at
> >>> that time, for "echo has ("perl").would return 0.
>
> >>
>
> >>>
>
> >>
>
> >>> Recently removed that version of Perl and installed DWIM Perl Version
> >>> 5.14.2.1 (32 Bit).
>
> >>
>
> >>>
>
> >>
>
> >>> Now vim returns "1" for "echo has ("perl").
>
> >>
>
> >>>
>
> >>
>
> >>> What does this mean? Will this enable me to do something that I was not
> >>> doing earlier.
>
> >>
>
> >>>
>
> >>
>
> >>> When I googled a bit, now I understand that I can run "%perldo
> >>> s/this/that/gi". But apart from this, what are the advantages that I have
> >>> now?
>
> >>
>
> >>>
>
> >>
>
> >>> Kindly let me know.
>
> >>
>
> >>>
>
> >>
>
> >>
>
> >>
>
> >> +perl/dyn means Vim was compiled with the Perl interface dynamically
>
> >>
>
> >> included. In that case the perl commands can be used (and has('perl')
>
> >>
>
> >> will return 1) if the perl libraries (of the correct version) can be
>
> >>
>
> >> found at run-time by the Vim executable. If the perl libraries cannot be
>
> >>
>
> >> found, the same executable will have has('perl') returning zero, and the
>
> >>
>
> >> Perl interface cannot be used then. The output of :version should give
>
> >>
>
> >> you, somewhere in the "Compilation:" and "Linking:" paragraphs in the
>
> >>
>
> >> bottom half of the listing, the arguments which were used to invoke the
>
> >>
>
> >> Perl include files and/or the Perl libraries; from that you ought to be
>
> >>
>
> >> able to determine which Perl version Vim will be looking for.
>
> >>
>
> >>
>
> >>
>
> >> +perl (without /dyn) means that the Perl libraries were included
>
> >>
>
> >> statically, which makes for a bulkier executable, but no dependency on
>
> >>
>
> >> something which might or might not be found at run-time. In that case
>
> >>
>
> >> has('perl') will always return 1.
>
> >>
>
> >>
>
> >>
>
> >> -perl of course means that the Perl interface was completely excluded at
>
> >>
>
> >> compile-time, so has('perl') will always return 0.
>
> >>
>
> >>
>
> >>
>
> >> The output of :version is fixed at compile-time, so it cannot show
>
> >>
>
> >> anything that is only known at run-time.
>
> >>
>
> >>
>
> >>
>
> >> Similarly for +python/dyn, +ruby/dyn, +tcl/dyn etc.
>
> >>
>
> >>
>
> >>
>
> >>
>
> >>
>
> >> Best regards,
>
> >>
>
> >> Tony.
>
> >>
>
> >> --
>
> >>
>
> >> Ye gods! Give me strength to suffer what cannot be changed, courage to
>
> >>
>
> >> change
>
> >>
>
> >> what must be changed, and wisdom to tell the two apart.
>
> >>
>
> >> -- Marcus Aurelius
>
> >
>
> > Hi Tony,
>
> >
>
> > Thank you very much for the reply. Does the +perl/dyn or +perl help in
> > syntax highlighting/autocompletion? Or is there some other advantage of
> > that? I will be extremely thankful if you could let me know.
>
> >
>
>
>
> IIUC, even a Vim with -perl (i.e. no Perl features at all) can highlight
>
> Perl source files correctly. What it cannot do is run the commands :perl
>
> and :perldo. Also it cannot use Perl here-scripts, and to wrap those in
>
> :if has('perl') special precautions must be taken, see :help script-here
>
>
>
>
>
> Best regards,
>
> Tony.
>
> --
>
> New York now leads the world's great cities in the number of people around
>
> whom you shouldn't make a sudden move.
>
> -- David Letterman
Hi Tony,
Thank you for taking time to answer the question.
This provides a lot of clarity.
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