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In bash, grep -v -e '^[[:space:]]*$' filename.txt will filter all the blank lines from filename.txt and display the results.
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famap(1) [debian man page]

FASTA(1)							   User Commands							  FASTA(1)

famap - prepare Fasta sequence database for re-PCR searches SYNOPSIS
famap [-hV] -b mmapped-file [-t cvt] [fafile ...] famap [-hV] -d mmapped-file [ord ...] famap [-hV] -l mmapped-file [ord ...] DESCRIPTION
The program famap is part of the e-PCR suite and is used to build mmapped-file from FASTA files for reverse e-PCR searches OPTIONS
where cvt (conversion table) is one of: off - as is (default) n - nucleotide [acgtnACGTN] allowed, N - nucleotide uppercase allowed [ACGTN] nx - nucleotide with ambiguity codes allowed NX - nucleotide with ambiguity codes uppercase EXAMPLE
famap -tN -b genome.famap org/chr_*.fa fahash -b genome.hash -w 12 -f3 ${PWD}/genome.famap re-PCR -s genome.hash -n1 -g1 ACTATTGATGATGA AGGTAGATGTTTTT 120-200 See famap(1) and re-pcr(1) SEE ALSO
/usr/share/doc/ncbi-epcr/README.txt bioperl(1), e-pcr(1), famap(1) and re-pcr(1) AUTHORS
This manual page was written by Andreas Tille <> for the Debian system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version published by the Free Software Foundation. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL. Fasta converter for e-PCR version 2.3.9 April 2008 FASTA(1)

Check Out this Related Man Page

Ingests(1)						      General Commands Manual							Ingests(1)

ingests - Build an auxiliary file for multicat SYNOPSIS
ingests -p <PCR PID> [-m <payload size>]>] <input ts> DESCRIPTION
Ingests is a companion application designed to manipulate TS files. It reads the PCR values of the file, and builds the auxiliary file that is necessary for multicat. The combination of ingests and multicat makes a simple and efficient TS file streamer. OPTIONS
-m <payloadsize> Size of the payload -h Show summary of options -m <payloadsize> Size of the payload -p <PCR PID> PCR PID to use SEE ALSO
aggregartp(1). desaggregartp(1). multicat(1), offsets(1). Read the README file for more information about the configuration of ingests. AUTHOR
ingests was written by Christophe Massiot. LICENCE
This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation. This manual page was written by Remi Duraffort <ivoire at videolan dot org>, for the Debian project (and may be used by others). Multicat 1.0 August 23, 2010 Ingests(1)

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