Обсуждение: Re: [COMMITTERS] pgsql: Clean up Perl code according to perlcritic

Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:

> I would try something like this:
>
>     @opts = grep { $_ !~ /\$\(/ && $_ =~ /^--/  } 
>       map { s/\Q$(top_builddir)\E/\"$topdir\"/; }
>       split(/\s+/, $1);

That map is not going to work: it'll modify the values returned by
split(), but s/// (without the /r modifier, which was added in 5.14)
returns the number of substitutions made, not the modified string.

-- 
"The surreality of the universe tends towards a maximum" -- Skud's Law
"Never formulate a law or axiom that you're not prepared to live withthe consequences of."
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On 03/28/2017 07:31 AM, Dagfinn Ilmari Mannsåker wrote:
> Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
>
>> I would try something like this:
>>
>>     @opts = grep { $_ !~ /\$\(/ && $_ =~ /^--/  } 
>>       map { s/\Q$(top_builddir)\E/\"$topdir\"/; }
>>       split(/\s+/, $1);
> That map is not going to work: it'll modify the values returned by
> split(), but s/// (without the /r modifier, which was added in 5.14)
> returns the number of substitutions made, not the modified string.


Oh. Bleah.

OK. well, we should note that in comments then.

cheers

andrew

-- 
Andrew Dunstan                https://www.2ndQuadrant.com
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