Hi, see Path::Tiny for file handling and splice for chopping chunks off an array.
use strict; use warnings; use feature 'say';
use Path::Tiny;
my @array = ('a'..'i');
my $size = 2;
my $file = 0;
path( sprintf('%s.txt', ++$file) )->append( map {"$_\n"} splice(@array
+, 0, $size) ) while @array;
say "$file files";
__END__
Hope this helps!
The way forward always starts with a minimal test.
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