Solved

Multidimentional HASH

Posted on 2011-09-19
7
257 Views
Last Modified: 2012-08-13
I am New to perl,Please help me.
I have 2 Arrays
@ARRAYA=(A,B,C,D,E,A);
@ARRAYB=(1,2,3,4,5,6);

I want to Create a hash out of these two array like

%Hash=('A'=>1 ,6 ,' B' =>2,'C'=>3,'D'=>4,'E'=>5) ;

after creating this hash how take out the value of A ?

0
Comment
Question by:SWAYAM4U
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
  • 2
  • 2
  • +1
7 Comments
 
LVL 3

Expert Comment

by:woepwobin
ID: 36559407
What exactly do you mean by 'take out the value of A' ? What is your expected result?
0
 

Author Comment

by:SWAYAM4U
ID: 36559602
After creating the hash
The KEy is A and it's value is 1 and 6 .
0
 
LVL 3

Expert Comment

by:woepwobin
ID: 36559619
And what is your expected result? What do you want the value to be? 1, or 6, or 7, or "1,6"?
0
Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

 
LVL 28

Expert Comment

by:FishMonger
ID: 36560750
use Data::Dumper;

my @arrayA = qw(A B C D E A);
my @arrayB = qw(1 2 3 4 5 6);

my %hash;
@hash{@arrayA} = @arrayB;

print Dumper \%hash;

Open in new window

0
 
LVL 9

Assisted Solution

by:parparov
parparov earned 500 total points
ID: 36560853
You can also:
Install module List::MoreUtils;
use List::MoreUtils qw(mesh);
%hash = mesh(@array_a, @array_b);

Open in new window

0
 
LVL 9

Accepted Solution

by:
parparov earned 500 total points
ID: 36561785
Oh you needed a list of values if the key repeats.

Then the script should be:
my @arrayA = qw(A B C D E A);
my @arrayB = qw(1 2 3 4 5 6);

my %hash;
for my $aA (@arrayA) {
  last unless @arrayB;
  if(defined($hash{$aA}) {
    push(@{$hash{$aA}}, shift @arrayB);
  }
  else {
    $hash{$aA} = [shift @arrayB];
  }
}

Open in new window

if you want a consistent data structure.
However if you insist that if there is a single value, it would be a scalar, then use this code:
my @arrayA = qw(A B C D E A);
my @arrayB = qw(1 2 3 4 5 6);

my %hash;
for my $aA (@arrayA) {
  last unless @arrayB;
  if(defined($hash{$aA}) {
    $hash{$aA} = [ $hash{$aA}] unless ref $hash{$aA};
    push(@{$hash{$aA}}, shift @arrayB);
  }
  else {
    $hash{$aA} = shift @arrayB;
  }
}

Open in new window


0
 

Author Closing Comment

by:SWAYAM4U
ID: 36565190
Thanks a lot to everybody
0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A year or so back I was asked to have a play with MongoDB; within half an hour I had downloaded (http://www.mongodb.org/downloads),  installed and started the daemon, and had a console window open. After an hour or two of playing at the command …
There are many situations when we need to display the data in sorted order. For example: Student details by name or by rank or by total marks etc. If you are working on data driven based projects then you will use sorting techniques very frequently.…
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions. Consider email address RFCs: Look at HTML5 form input element (with type=email) regex pattern: T…

739 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question