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Usage: count_seqs.py [options]
Count the sequences in a fasta file and write results to stdout.
count_seqs.py -i in.fasta
Count the sequences in a fasta file and a fastq file and write results to file. Note that fastq files can only be processed if they end with .fastq – all other files are assumed to be fasta.
count_seqs.py -i in1.fasta,in2.fastq -o seq_counts.txt
Count the sequences all .fasta files in current directory and write results to stdout. Note that -i option must be quoted.
count_seqs.py -i "*.fasta"