in reply to Getting Lines 2,3, and 4 from FASTQ file's Chunk

To skip the first of every 4 lines:

perl -wlne"($.%4)-1 and print" yourFile

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
RIP an inspiration; A true Folk's Guy