One liners to explore GTF file

exploreGTF

# Extract list of unique Gene IDs in GTF file

awk '{if($3 == "gene") print $0}' ../Homo_sapiens.GRCh38.84.gtf | cut -f9 | cut -d ';' -f1 | cut -d ' ' -f2 | sort | uniq | wc -l

# Extract gene list of particular biotype

grep 'gene_biotype "protein_coding"' ../Homo_sapiens.GRCh38.84.gtf | awk '{if($3 == "gene") print $0}' | cut -f9 | cut -d ';' -f1 | cut -d ' ' -f2 | sort | uniq | wc -l

# Create subset of Ensembl GTF file based on gene biotype

grep -E '#|gene_biotype "sense_overlapping"' ../Homo_sapiens.GRCh38.84.gtf > Homo_sapiens.GRCh38.84.sense_overlapping.gtf