comment on

Perl6 provides a pretty handy way to do this. It has X which I beleive is pronounced "cross" so that you can do: (source)

use v6;

my @urls = ('http://www.something.com/blah.aspx?code=',
            'http://www.somethingelse.com/stuff.aspx?thing=');

my @ids = ('375035304','564564774','346464646');

my @combined = (@urls X @ids).map: {$^a ~ $^b};

.say for @combined;
[download]

Which outputs the following on Rakudo already:

http://www.something.com/blah.aspx?code=375035304
http://www.something.com/blah.aspx?code=564564774
http://www.something.com/blah.aspx?code=346464646
http://www.somethingelse.com/stuff.aspx?thing=375035304
http://www.somethingelse.com/stuff.aspx?thing=564564774
http://www.somethingelse.com/stuff.aspx?thing=346464646
[download]

The $^a and $^b in the map block tell it to take two elements at a time, while the X in the parenthesis tells it to cross join the two arrays. Very very handy for this kind of thing.

___________
Eric Hodges

In reply to Re^2: Joining Arrays? (perl6) by eric256
in thread Joining Arrays? by Jaganath

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