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Re: how to loop through many arrays

by wind (Priest)
on Jun 19, 2011 at 02:54 UTC ( #910376=note: print w/replies, xml ) Need Help??

in reply to how to loop through many arrays

My only advice is to just do it. You can compile the arrays into a list of arrays, or you could add them to a hash where you give each a name. Either way, just iterate on each array and use List::Util->reduce to determine the position of the max element.

use List::Util qw(reduce); use strict; use warnings; my @array1 = (1,2,3,4,8); my @array2 = (1,4,2,4,5); my @array3 = (1,6,1,7,5); for my $array (\@array1, \@array2, \@array3) { my $max_pos = reduce {$array->[$b] > $array->[$a] ? $b : $a} keys +@$array; print "Max is $array->[$max_pos] at position $max_pos\n"; } =prints Max is 8 at position 4 Max is 5 at position 4 Max is 7 at position 3 =cut

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Re^2: how to loop through many arrays
by david_lyon (Sexton) on Jun 19, 2011 at 06:46 UTC
    thanks for your help much appreciated!

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[choroba]: their = his or her
[Discipulus]: anyway once I proposed an automatic font decrease for post below -1, stepping every 5 votes: i'm still thinks it's a good idea but dunno if feasible
[shmem]: ...emulated dual in english
[shmem]: Discipulus: has that been in the CB? or in a PM node proper? for the latter case, can you provide the ID?
[Discipulus]: you seriously can use their in this way in eng?
[Corion]: Meh. $effin_bad_system has an interface breakdown and then loads events in parallel with events overtaking one another instead of being processed sequentially
[shmem]: Discipulus: dunno, but we do all the time ^^
[choroba]: Discipulus I was taught so by a Londoner
[shmem]: Corion: very clear case of missing sequence number
[Corion]: shmem: Yeah. I guess they have a sequence number but distribute the events across threads or machines or whatever.

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