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Re: Is Perl scary or is it me?

by FoxtrotUniform (Prior)
on Nov 05, 2004 at 23:30 UTC ( #405665=note: print w/replies, xml ) Need Help??


in reply to Is Perl scary or is it me?

my %hash = map { join(':', $_->{Computer}, $_->{Bulletin}, ( $_->{Product} || "" ), $_->{Status} ) => $_ } @{GetQueryTable('all_records_for_report', 138)};
or
my %hash; for ( @{GetQueryTable('all_records_for_report', 137)} ) { $hash{"$_->{Computer}:$_->{Bulletin}:" . ($_->{Product}||"") . ":$_->{Status}"} = $_; }

Well, the map-based approach puts the focus on the fact that you're populating %hash. Where you're getting the data from is secondary. The for-based approach puts the focus on the fact that you're doing something with each element in all_records_for_report. What you're doing with it is secondary.

--
Yours in pedantry,
F o x t r o t U n i f o r m

"Anything you put in comments is not tested and easily goes out of date." -- tye

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Re^2: Is Perl scary or is it me?
by Golo (Friar) on Nov 06, 2004 at 00:17 UTC
    mmmh...

    Good point - I see, I won't get around some comments* :-(

    update:
    *comments to where the data comes from, because I think that part is secondary. Now I also know the why :-)

    update2:
    sub make_lookup { my %hash = map { my $hash = $_; join(':', map { $hash->{$_} || "" } sort(keys(%{$_})) ) => $_ } @_; return \%hash; } my $lookup = make_lookup(@{GetQueryTable('all_records_for_report', 138 +)});

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