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#!/usr/bin/perl 
use strict;
...
This is the $column: element-1
This is the $column: element-2
Can't use string ("element-3") as an ARRAY ref while "strict refs" in 
+use at arraysarray.pl line 15.

#!/usr/bin/perl 
use strict;
...
This is the $column: element-1
This is the $column: element-2
This is the $column: element-3