11-01-2017
Mmmm, your awk clearly is able to process longer lines than 2048, since max length is 16236.
It seems to me the difference between line 1 and line 2 is perhaps explained by the first four fields in the header? That the first field in line 2 corresponds to the 5th field in the header line?
What is strange is the sudden drop in nr of fields to 362 from line 16134 onwards.
It seems to me not all of the lines contain the same number of TAB separated fields ?
What is happening on line 16134?
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