Re: Loading Hash From FileHandle - Cannot Chomp Input Keys

or:

use strict;

my %person;
map{chomp; $person{$_} = 1} <DATA>;

print join(",", keys %person);

__DATA__
Ruth
Samuel
Paul
John
Silas
[download]

Comment on Re: Loading Hash From FileHandle - Cannot Chomp Input Keys Download Code

Replies are listed 'Best First'.
Re^2: Loading Hash From FileHandle - Cannot Chomp Input Keys by BUU (Prior) on Dec 22, 2004 at 05:05 UTC
While map in void context is no longer inefficient compared to a simple for loop, I still feel that map has a different meaning and should not be used in void context. It may be as efficient as a for loop to the machine, but I feel, not as efficient for the reader.	[reply]