Print perl hash value in foreach loop Post: 302972597

Sponsored Content

Top Forums Shell Programming and Scripting Print perl hash value in foreach loop Post 302972597 by Aia on Sunday 8th of May 2016 05:59:04 PM

05-08-2016

Registered User

Quote:

Originally Posted by timj123

It's similar to the following:

Code:

          'Key1' => [
                      ' Value1',
                      ' Value2',
                      ' Value3',
                      ' Value4',
                      ' Value5',
                      ' Value6',
                      ' Value7',
                      ' Value8',
                      ' Value9'
                    ],

Notice that 'space Value1' is not the same that 'Value1'. Is that a copy and paste from your output?
If that is the case, $hash1{$y} or $hash1{"$y"} is undefined, since it would be equivalent to $hash1{' Value1'} and the key dereference should be $hash1{'Value1'}

Last edited by Aia; 05-08-2016 at 07:13 PM.. Reason: Add explanation

Aia

View Public Profile for Aia

Find all posts by Aia

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Perl - Iterating a hash through a foreach loop - unexpected results

i've reworked some code from an earlier post, and it isn't working as expected i've simplified it to try and find the problem. i spent hours trying to figure out what is wrong, eventually thinking there was a bug in perl or a problem with my computer. but, i've tried it on 3 machines with the...

2. Shell Programming and Scripting

Print Entire hash list (hash of hashes)

I have a script with dynamic hash of hashes , and I want to print the entire hash (with all other hashes). Itried to do it recursively by checking if the current key is a hash and if yes call the current function again with refference to the sub hash. Most of the printing seems to be OK but in...

3. UNIX for Dummies Questions & Answers

Foreach loop to run a perl script on multiple files

Hi, I have thousands of files in a directory that have the following 2 formats: 289620178.aln 289620179.aln 289620180.aln 289620183.aln 289620184.aln 289620185.aln 289620186.aln 289620187.aln 289620188.aln 289620189.aln 289620190.aln 289620192.aln.... and: alnCDS_1.fasta

4. UNIX for Advanced & Expert Users

Perl loop txt and check if a hash key

Hi, The task i have to do is to 1- create a database contains the Names .run the query and store results in hash make the Name field is the hash key 2- in the same time i have a txt which i will loop through it word by word and check for each word if a hash key ( compare it with the Names in...

5. Shell Programming and Scripting

Perl question - print last element in a hash?

I am modifying someone else's code. There is a foreach statement printing the contents of a hash. Can someone give me an example of printing the last element in a hash? The output currently is A B C D E I want the output to be E

6. Shell Programming and Scripting

Perl Hash:Can not keep hash data in the same order that it was inserted

Can Someone explain me why even using Tie::IxHash I can not get the output data in the same order that it was inserted? See code below. #!/usr/bin/perl use warnings; use Tie::IxHash; use strict; tie (my %programs, "Tie::IxHash"); while (my $line = <DATA>) { chomp $line; my(...

7. Programming

PERL, search and replace inside foreach loop

Hello All, Im a Hardware engineer, I have written this script to automate my job. I got stuck in the following location. CODE: .. .. ... foreach $key(keys %arr_hash) { my ($loc,$ind,$add) = split /,/, $arr_hash{$key}; &create_verilog($key, $loc, $ind ,$add); } sub create_verilog{...

8. Shell Programming and Scripting

perl hash - using a range as a hash key.

Hi, In Perl, is it possible to use a range of numbers with '..' as a key in a hash? Something in like: %hash = ( '768..1536' => '1G', '1537..2560' => '2G' ); That is, the range operation is evaluated, and all members of the range are...

9. Shell Programming and Scripting

Compare values of hashes of hash for n number of hash in perl without sorting.

Hi, I have an hashes of hash, where hash is dynamic, it can be n number of hash. i need to compare data_count values of all . my %result ( $abc => { 'data_count' => '10', 'ID' => 'ABC122', } $def => { 'data_count' => '20', 'ID' => 'defASe', ...

10. Shell Programming and Scripting

Need to print hash of hash in table format

Hi, I have a hash of hash where it has name, activities and count i have data like this - $result->{$name}->{$activities} = $value; content of that are - name - robert tom cat peter activities - running, eating, sleeping , drinking, work i need to print output as below ...