fasta-grep - grep fasta files
./fasta-grep [OPTIONS] [--help] <fasta-file>
find regex in id-header or sequence or specifiy a length condition to select matching fasta sequences. All options, except length, are joined by "or".
To modify the regex to be case insensitive put (?i)
in front of it (see also man perlre
)
Print only fasta headers.
With len '>=', '<=', '>', '==', ...
Extract the ids of the fasta file
Print length and id of every seq
Show character distributions for every sequence
Print matching ids to STDERR
Removes [ID_1] - [ID_N] in fasta header where the header has the form:
>[ID_1] [ID_2] ... [ID_N] description
Display this msg.
jw bargsten, <joachim.bargsten at wur.nl>