Beefy Boxes and Bandwidth Generously Provided by pair Networks
Perl: the Markov chain saw

Re: Aliasing one hash to another

by imp (Priest)
on Jan 30, 2007 at 22:56 UTC ( #597462=note: print w/ replies, xml ) Need Help??

in reply to Aliasing one hash to another

You should just fix the offending code. Modifying a global hash is a bad practice. If for some reason this is not possible then you can use a glob to alias the second hash temporarily.. but this is bad mojo and should be avoided.

use strict; use warnings; use Data::Dumper; use vars qw( %hash1 %hash2 ); %hash1 = (a => 1); %hash2 = (b => 2); do_badness(); print "hash1: ", Dumper \%hash1; print "hash2: ", Dumper \%hash2; sub do_badness { local *hash1 = \%hash2; bad_sub(); } sub bad_sub { $hash1{c} = 3; }

Comment on Re: Aliasing one hash to another
Download Code

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://597462]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others chanting in the Monastery: (3)
As of 2015-11-28 20:33 GMT
Find Nodes?
    Voting Booth?

    What would be the most significant thing to happen if a rope (or wire) tied the Earth and the Moon together?

    Results (744 votes), past polls