And in Perl, multi-dimensional arrays require a pair of [...] for each level. This is because a 2D array is simply an array where each element is also an array.

The most important thing to understand about all data structures in Perl--including multidimensional arrays--is that even though they might appear otherwise, Perl @ARRAY s …

"In Perl an array with two arrays in it get merged into a single array" -- inaccurate. Lists get flattened. There are no arrays here. :)

I am trying to write a simple Perl script that reads a *.csv, places the rows of the *.csv file in a two-dimensional array, prints an item out of the array, and prints a row of the array.

Oct 11, 2014 · I want to create 10 one dimensional arrays , and put these 10 one dimensional arrays to another one dimensional array , and store some data to some specific index of array …

Dec 8, 2015 · I can only assume you're iterating through files. To avoid keeping track of a counter, you could do this: ... push @array2d, [ <FILE> ]; ... That says 1) create a reference to an …

Oct 21, 2011 · I am currently trying to pass a 32 by 48 matrix file to a multi-dimensional array in Perl. I am able to access all of the values, but I am having issues accessing a specific value. …

Apr 25, 2012 · @askovpen - This does nothing if $a is less than $b, and there's no guarantee that $a is earlier in the array than $b. The <=> and it's text based cousin cmp) is a special operator …

Feb 24, 2014 · I have an array populated with cities. I want to pass the array by reference to a sub routine and print each city to output. However, I have the following problems: I can access …

Nov 18, 2016 · Perl does do 2D arrays, and you're correct in thinking the the implementation of that is via references. It may be useful to know that Data::Dumper is really handy for printing …