001、
[b20223040323@admin2 test]$ ls a.gff [b20223040323@admin2 test]$ cat a.gff region 1 pseudogene 2 transcript 3 exon 4 pseudogene 5 transcript 6 exon 7 gene 8 miRNA 9 exon 10 pseudogene 11 pseudogene 12 mRNA 13 exon 14 pseudogene 15 gene 16 mRNA 17 gene 18 exon 19 gene 20 lnc_RNA 21 [b20223040323@admin2 test]$ awk 'BEGIN{tag = "yes"}{if($1 == "pseudogene") {tag = "no"}; if($1 == "gene") {tag = "yes"}; if(tag == "yes") {print $0}}' a.gff ## 过滤掉pseudo信息 region 1 gene 8 miRNA 9 exon 10 gene 16 mRNA 17 gene 18 exon 19 gene 20 lnc_RNA 21
