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Postings from October 2014
this may have nothing to do with this thread, other than it is the only one
search returned. I see a lot of argv.t test failures on my AIX smokers. fyi.
On Sep 30, 2014 8:34 AM, "Rafael Garcia-Suarez" <rgs@consttype.org> wrote:
> On 29 July 2014 23:54, Ricardo Signes <perl.p5p@rjbs.manxome.org> wrote:
> > * Rafael Garcia-Suarez <rgs@consttype.org> [2014-07-24T11:51:40]
> >> I believe that this was discussed here some years ago, and that this
> >> was suggested by TomC. Anyway, I pushed a patch on rgs/nomagicopen.
> >> The patch is incomplete as it lacks docs and tests. I welcome feedback
> >> on the intent of the feature.
> >
> > I'm still not crazy about the one-off syntax addition, but I think that
> it's
> > the best we're going to see without setting an unrealistic bar for a new,
> > generic feature. If we ever *do* get <> adverbs, we can call this sugar
> for
> > one or blah blah blah it doesn't matter that much right now. :-)
> >
> > While my heart wants -n to be safe, my conscience tells me that we'll
> break
> > enough (bizarre, to my mind (except maybe regarding "-")) expectations
> that it
> > isn't worth doing. Probably we want -P and -N for safe opening.
> >
> > I am gratified to see that <<X>> fails for any X, as you've only made the
> > literal construct <<>> iterate. Awesome. I think we're going to want a
> better
> > error message, if possible, though, than:
> >
> > ~/code/perl5$ ./perl -e 'while (<<ARGV>>) { print }' 'ls |'
> > Can't find string terminator "ARGV" anywhere before EOF at -e line 1.
> >
> > Something roughly like "safe <<>> operator meaningless on concrete
> filehandles"
> > — that's not right, but you get the idea.
> >
> > I don't think I have any further thoughts on it.
>
> I have now merged this in blead, with more tests, and docs by Peter Martini
> and myself. I also added tests for the $ARGV variable, that was not tested.
>
> I'm not too sure about the error message; it's not totally trivial to
> change, since
> a script like this one, for example, will print "8":
>
> print <<FOO>> 1;
> 16
> FOO
>
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