To skip the first of every 4 lines: 

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

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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

In reply to Re: Getting Lines 2,3, and 4 from FASTQ file's Chunk by BrowserUk
in thread Getting Lines 2,3, and 4 from FASTQ file's Chunk by neversaint

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