Dear Monks,
The following code selects a few arrays from an AoA which will passed on as arguments to a subroutine.
It does work, but since I receive that AoA through an array reference from a previous sub, would there be a way to have the loop work directly on the arrayref instead of dereferencing the arrayref into a AoA?
use strict;
use warnings;
use Data::Dumper;
my @AoA = ([10001, 2.71, 4], [160001, 123.4, 5], [170001, 234.9, 9], [
+670002, 44.8, 11]);
# data structure actually received as ref
my $AoAref = \@AoA;
my ($arg1, $arg2, $arg3);
# AoA is OK
print Dumper ($AoAref);
for my $i (0 .. $#AoA){
my $aref = $AoA[$i];
print "array is: $AoA[$i]\n";
$arg1 = $AoA[$i] if ($AoA[$i][0] == "160001");
$arg2 = $AoA[$i] if ($AoA[$i][0] == "170001");
$arg3 = $AoA[$i] if ($AoA[$i][0] == "670002");
}
# Checking that got what is expected, OK
print "Ex.:argument1 $arg1\n";
print "argument deref @$arg1\n";
# Passing to &someothersub($arg1, $arg2, $arg3);
Any way (if possible elegant) to operate on AoAref directly?
for my $aref ( @$AoAref ) {
print "\t [ @$aref ],"; # not exactly sure what i'm doing here...
}
The Cookbook and perllol do not seem to address that specifically
Again all guidance and advice will be greatly appreciated
UpdateThanks to
Ikegami for yet another masterful tutorial and to
Util for also a very Perlish solution.