DOKK / manpages / debian 13 / ncbi-entrez-direct / gff-sort.1.en
GFF-SORT(1) NCBI Entrez Direct User's Manual GFF-SORT(1)

gff-sort - sort a General Feature Format version 3 file

gff-sort

gff-sort reads a General Feature Format version 3 (GFF3) file from standard input and prints a sorted equivalent to standard output. It sorts according to the following criteria:

•
accession (highest priority), case insensitively
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feature identifier, case insensitively and hierarchically
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strand (positive first)
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start position
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length (longest first)
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feature key (lowest priority):
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gene or pseudogene (first)
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mRNA, primary_transcript, or a recombination site such as C_region
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CDS
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exon or intron
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anything else (last)

gff2xml(1), sort-table(1), transmute(1), xtract(1).

2025-05-26 NCBI