Awk does not have numerically-indexed arrays at all. There is a convention for using digit strings to emulate numeric indexing, and like Perl, Awk will convert numbers to digit strings upon demand, but Awk arrays are Perl hashes.

In reply to Re^10: Split tab-separated file into separate files, based on column name (open on demand) by jcb
in thread Split tab-separated file into separate files, based on column name by Anonymous Monk

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