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blt fastx-derep(1)	     General Commands Manual	      blt fastx-derep(1)

SYNOPSIS
     blt fastx-derep < file.fastq > file-uniq.fastq

DESCRIPTION
     blt  fastx-derep  remove  replicates  from a FASTA or FASTQ file by hashing
     each sequence and printing only records for which the hash has  not  previ-
     ously been encountered.

     If  memory  is  a	limiting  factor for your dereplication jobs, see fastq-
     derep.sh(3), a shell script utilizing the Unix sort command, which automat-
     ically breaks large files into chunks so they can be sorted  within  avail-
     able  memory.   fastq-derep.sh  is much slower, but may be able to complete
     tasks where other methods run out of memory.

EXAMPLES
     blt fastx-derep < file.fasta > file-uniq.fasta
     xzcat file.fasta.xz | blt fastx-derep > file-uniq.fasta
     xzcat file.fastq.xz | blt fastx-derep > file-uniq.fastq

SEE ALSO
     blt-fastx2tsv(1), blt-fastq-derep.sh(1)

AUTHOR
     J. Bacon

							      blt fastx-derep(1)

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<https://man.freebsd.org/cgi/man.cgi?query=blt-fastx-derep&sektion=1&manpath=FreeBSD+Ports+15.1.quarterly>

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