---
name: "Bio::SeqIO::chaosxml"
section: "3pm"
platform: "linux"
package: "libbio-perl-perl"
version: "1.7.2-3"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/Bio::SeqIO::chaosxml"
---

# Bio::SeqIO::chaosxml(3pm)

chaosxml sequence input/output stream

## NAME

Bio::SeqIO::chaosxml - chaosxml sequence input/output stream

## SYNOPSIS

```
    #In general you will not want to use this module directly;
    #use the chaosxml format via SeqIO
    $outstream = Bio::SeqIO->new(-file => $filename, -format => 'chaosxml');
    while ( my $seq = $instream->next_seq() ) {
       $outstream->write_seq($seq);
    }
```

## DESCRIPTION

This object can transform Bio::Seq objects to and from chaos files.

**CURRENTLY WRITE ONLY**

ChaosXML is an XML mapping of the chado relational database; for more information, see http://www.fruitfly.org/chaos-xml

Chaos can have other syntaxes than XML (eg S-Expressions, Indented text)

See Bio::SeqIO::chaos for a full description

## VERY VERY IMPORTANT

!!!!!!!!!!!CHADO AND CHAOS USE INTERBASE COORDINATES!!!!!!!!!!!!!!!!

## FEEDBACK

### Mailing Lists

User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to one of the Bioperl mailing lists.  Your participation is much appreciated.

```
  bioperl-l@bioperl.org                  - General discussion
  http://bioperl.org/wiki/Mailing_lists  - About the mailing lists
```

### 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://github.com/bioperl/bioperl-live/issues
```

## AUTHOR - Chris Mungall

Email cjm@fruitfly.org

## APPENDIX

The rest of the documentation details each of the object methods. Internal methods are usually preceded with a \_