我有一个看起来像这样的文件(> 80,000 行):
chr1 GTF2GFF chromosome 1 249213345 . . . ID=chr1;Name=chr1
chr1 GTF2GFF gene 11874 14408 . + . ID=DDX11L1;Note=unknown;Name=DDX11L1
chr1 GTF2GFF exon 11874 12227 . + . Parent=NR_046018_1
chr1 GTF2GFF exon 12613 12721 . + . Parent=NR_046018_1
chr1 GTF2GFF exon 13221 14408 . + . Parent=NR_046018_1
chr1 GTF2GFF gene 14362 29370 . - . ID=WASH7P;Note=unknown;Name=WASH7P
chr1 GTF2GFF exon 14362 14829 . - . Parent=NR_024540
chr1 GTF2GFF exon 14970 15038 . - . Parent=NR_024540
chr1 GTF2GFF exon 15796 15947 …
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