At 06:05 PM 7/8/2002 -0600, Jose Malacara wrote:
>Hello all,
>I am new to the list and have what I believe is a pretty basic question,
>I'm just not sure where to begin.
>
>I have a file where I need to search for the occurences of two variables
>(State and City) and then create another field (Location) based on the sum
>of the two previous values. I was wonderig if someone could recommend a
>method to do this? I don't mind hashing it out myself if someone might
>point me in the right direction.
>
>This is basically what I have now:
>
>State=Colorado
>City=Denver
>City=Boulder
>City=Longmont
>State=Texas
>City=Austin
>City=Dallas
>City=Houston
>
>
>This is what I would like the end result to be:
>
>State=Colorado
>City=Denver
>Location=DenverColorado
>City=Boulder
>Location=BoulderColorado
>City=Longmont
>Location=LongmontColorado
>State=Texas
>City=Austin
>Location=AustinTexas
>City=Dallas
>Location=DallasTexas
>City=Houston
>Location=HoustonTexas
>
>I guess my main question would be how to keep the 'State' value associated
>with the cities that follow it.
>
Sounds like the right place for a hash of arrays. Let your keys be the
states and your values be anonymous arrays of cities. Like so:
%sites = ( 'Colorado' => [ qw(Denver Boulder) ],
'Texas' => [ qw(Austin Dallas
Houston) ] );
I'd build the Location field only as I needed it for printing.
foreach $state (sort keys %sites) {
foreach $city (sort @{ $sites{$state} }) {
print "Location = $city$state\n";
}
}
Cheers,
Kristina Nairn
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