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Postings from March 2016
On Wed Mar 02 00:03:42 2016, plokinom@gmail.com wrote:
> Am 02.03.2016 um 05:32 schrieb Linda Walsh (via RT):
> >
> > Every once in a while, I start filling an array using
> > "qw()", when I run into, not too infrequently, a desire
> > to have a var or expression as a "word". Paths can be
> > a good example:
> >
> > my short_paths=[ qw( sysfs sys_classes netclass
> > sysmods) ];
> > my spth_vals =[qqw( /sys $sysfs/class
> > $sys_classes/net $sysfs/module ) ];
>
> It's not core perl, but Quote::Code (available for perl 5.14+) lets
> you
> write this:
>
> use Quote::Code;
> my $pth_vals = [qcw(
> /sys {$sysfs}/class {$sys_classes}/net {$sysfs}/module
> )];
Also, if you *know* that your strings contain no wildcards, you can do <foo bar $baz> (or </sys $sysfs/class $sys_classes/net $sysfs/module>), and it won’t even go out to the filesystem, though it is marginally slower than qw and Quote::Code (at least in theory; I have not measured it).
--
Father Chrysostomos
---
via perlbug: queue: perl5 status: open
https://rt.perl.org/Ticket/Display.html?id=127640
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