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alienzj/gist:c34f2891b2b6581b6b531d33121df5de

Forked from nh13/gist:beae4393fd3c9ad75f514dfa092b6cce
Created January 12, 2021 01:38
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gistfile1.txt
pigz -d -c in.fastq.gz |
| awk 'BEGIN {LN=0; } { if (LN == 1 || LN == 3) { print substr($0, 0, 26) } else { print $0 } ; if (LN == 3) { LN = 0 } else { LN++ } }' \
| pigz -c - > out.fastq.gz
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