The script aims to filter genes by intron numbers. It will create two files. one with the genes passing the intron number filter, the other one with the remaining genes.

Some examples: Select intronless genes: --gff infile.gff -o result.gff Select genes with more or equal 10 introns: --gff infile.gff --test ">=" --nb 10 [ --output outfile ]

SYNOPSIS --gff infile.gff --test ">=" --nb 10 [ --output outfile ] --help


  • -f, --reffile, --gff or -ref

    Input GFF3 file that will be read

  • -n, --nb or --number

    Integer - Number of introns [Default 0]

  • -t or --test Test to apply (>, <, =, >= or <=). If you use one of these two characters >, <, please do not forget to quote your parameter like that "<=". Else your terminal will complain. [Default "="]

  • -o or --output

    Output GFF file. If no output file is specified, the output will be written to STDOUT.

  • -v

    Verbose option for debugging purpose.

  • -h or --help

    Display this helpful text.