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Changes for version 1.5.8 - 2023-07-22

  • POD documentation fix


Concatenate FASTA or FASTQ files
Find the common sequences between two files
A FASTA/FASTQ sequence counter
Get sequences by name (also using lists)
Extract sequences using patterns
Print sequence hashes
A demo implementation to filter fastx files by length
rename sequences
Testing module
Sort sequences by size
Dereplicate sequences
A script to calculate N50 from one or multiple FASTA/FASTQ files.


a small module to calculate N50 (total size, and total number of sequences) for a FASTA or FASTQ file. It's easy to install, with minimal dependencies.
Helper module to support Seqfu tools