Re^5: Split output by tabs (not clear)

[shmem]

in reply to Re^4: Split output by tabs
in thread Split output by tabs

where can i read up on in regards to skipping blank/empty values when splitting arrays?

Something is wrong wrt your question, since you don't split arrays, you slice or join them. Do you mean omitting empty fields splitting a record, or omitting empty/undefined array elements joining an array?

[perlnoobster]

Sorry I meant, the original file (orders) has blank values in some columns, i'd like for them to be omitted from the results (orders_today.txt) i.e not printed, is that possible?

[tobyink]

If you want to filter elements out of an array, use grep (see perlfunc). For example, to keep only strings which have a length of at least 1 character, you could use:

my @strings = split "\t", $line;
my @keep    = grep { length($_) >= 0 } @strings;

This can be made more concise:

my @keep = grep { length($_) } split "\t", $line;

Or even:

my @keep = grep length, split "\t", $line;