How to set dynamically keys names in perl %hash


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting How to set dynamically keys names in perl %hash
# 1  
Old 01-31-2006
How to set dynamically keys names in perl %hash

hello
I have loop , in this loop im picking names , this names I want to be keys in %hash
but I don't know how to set in every loop entertain different key in the %hash
# 2  
Old 01-31-2006
Have a look at the keys() function.

http://perldoc.perl.org/functions/keys.html
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Dynamically parse BibTeX and create hash of hash

Hello gurus, Iam trying to parse following BibTex file (bibliography.bib): @book{Lee2000a, abstract = {Abstract goes here}, author = {Lee, Wenke and Stolfo, Salvatore J}, title = {{Data mining approaches for intrusion detection}}, year = {2000} } @article{Forrest1996, abstract =... (0 Replies)
Discussion started by: wakatana
0 Replies

2. 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', ... (1 Reply)
Discussion started by: asak
1 Replies

3. Programming

store information in hash and display number of keys.

I am trying to store this information (info and number) in hash. number is the key and info is value in a hash.i shown my code below. #!/usr/bin/perl use warnings; use strict; use XML::LibXML::Reader; my $file;open $file, 'formal.xml'); my $reader =... (0 Replies)
Discussion started by: veerubiji
0 Replies

4. Shell Programming and Scripting

Shell script variable names created dynamically

Hi, I'm trying to use a config file to define frequencies for checking log files. If the config file contains a frequency it will be used else a default value. The format of the config file (and hence the environment variable) is FREQ_log_logname=value A test shell script as below:... (2 Replies)
Discussion started by: u671296
2 Replies

5. Shell Programming and Scripting

Sorting keys of a hash in perl

hi all, i have a small problem regarding sorting the keys in a hash. my %hash; for($i=0;$i<19;$i++) { $hash{$i}=$i; } foreach $c (sort keys %hash) { print "\n $hash{$c}"; } (1 Reply)
Discussion started by: niteesh_!7
1 Replies

6. 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... (3 Replies)
Discussion started by: dsw
3 Replies

7. Shell Programming and Scripting

How to create hash dynamically in perl?

Hi, I have one file name file.txt It has the following contents: #File Contents StartTime,EndTime,COUNTER1,COUNTER2,COUNTER3 12:13,12:14,0,1,0 The output should be like this: StartTime: 12:13 ENDTIME: 12:14 (2 Replies)
Discussion started by: vanitham
2 Replies

8. Shell Programming and Scripting

Perl: Any quick way to use regex on hash keys?

Hi, Is there any quick way to use pull out keys that match a specific regex pattern? eg %hash ; $hash(123,456) = xxx; $hash(123,457) = xxx; $hash(123,458) = xxx; $hash(223,459) = xxx; I need a fast way to get all the keys that start with 123.. Meaning I should get ... (5 Replies)
Discussion started by: Leion
5 Replies

9. 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(... (1 Reply)
Discussion started by: jgfcoimbra
1 Replies

10. Shell Programming and Scripting

set array name dynamically

Hi, I am trying to name a set of arrays dynamically named as @array_$i (The $i will mean that I obtain a set of arrays called: @array_1 @array_2 @array_3 etc. i tried various methods like @array_$i @{array_$i} etc. any ways to do this Thanks (4 Replies)
Discussion started by: esham
4 Replies
Login or Register to Ask a Question