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Top Forums UNIX for Beginners Questions & Answers How To Write my Bash Script To Automate it? Post 303030808 by dellia222 on Saturday 16th of February 2019 08:24:13 AM
Old 02-16-2019
How To Write my Bash Script To Automate it?

Hello guys, I need some help. I am new in bash and I don't know how to automate the following script.


Code:
head -2 out1 > 1.fasta
sed ‘1,2 d' out1 > out2
rm out1
head -2 out2 > 2.fasta
sed ‘1,2 d' out2 > out1
rm out2
head -2 out2 > 3.fasta
sed '1,2 d' out2 > out1
rm out2
.......
......

my file has 69800 lines and I want to do that automatically.


thanks a lot
laura
 

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Bio::AlignIO::fasta(3pm)				User Contributed Perl Documentation				  Bio::AlignIO::fasta(3pm)

NAME
Bio::AlignIO::fasta - fasta MSA Sequence input/output stream SYNOPSIS
Do not use this module directly. Use it via the Bio::AlignIO class. DESCRIPTION
This object can transform Bio::SimpleAlign objects to and from fasta flat file databases. This is for the fasta alignment format, not for the FastA sequence analysis program. To process the alignments from FastA (FastX, FastN, FastP, tFastA, etc) use the Bio::SearchIO module. FEEDBACK
Support Please direct usage questions or support issues to the mailing list: bioperl-l@bioperl.org rather than to the module maintainer directly. Many experienced and reponsive experts will be able look at the problem and quickly address it. Please include a thorough description of the problem with code and data examples if at all possible. Reporting Bugs Report bugs to the Bioperl bug tracking system to help us keep track the bugs and their resolution. Bug reports can be submitted via the web: https://redmine.open-bio.org/projects/bioperl/ AUTHORS
Peter Schattner APPENDIX
The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _ next_aln Title : next_aln Usage : $aln = $stream->next_aln Function: returns the next alignment in the stream. Returns : Bio::Align::AlignI object - returns 0 on end of file or on error Args : -width => optional argument to specify the width sequence will be written (60 chars by default) See Bio::Align::AlignI write_aln Title : write_aln Usage : $stream->write_aln(@aln) Function: writes the $aln object into the stream in fasta format Returns : 1 for success and 0 for error Args : L<Bio::Align::AlignI> object See Bio::Align::AlignI _get_len Title : _get_len Usage : Function: determine number of alphabetic chars Returns : integer Args : sequence string width Title : width Usage : $obj->width($newwidth) $width = $obj->width; Function: Get/set width of alignment Returns : integer value of width Args : on set, new value (a scalar or undef, optional) perl v5.14.2 2012-03-02 Bio::AlignIO::fasta(3pm)
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