---
name: "Bio::Variation::IO::flat"
section: "3pm"
platform: "linux"
package: "libbio-variation-perl"
version: "1.7.5-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Bio::Variation::IO::flat"
---

# Bio::Variation::IO::flat(3pm)

flat file sequence variation input/output stream

## NAME

Bio::Variation::IO::flat - flat file sequence variation input/output stream

## SYNOPSIS

Do not use this module directly. Use it via the Bio::Variation::IO class.

## DESCRIPTION

This object can transform Bio::Variation::SeqDiff objects to and from flat file databases.

## 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 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 - Heikki Lehvaslaiho

Email:  heikki-at-bioperl-dot-org

## APPENDIX

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

### next

```
 Title   : next
 Usage   : $haplo = $stream->next()
 Function: returns the next seqDiff in the stream
 Returns : Bio::Variation::SeqDiff object
 Args    : NONE
```

### write

```
 Title   : write
 Usage   : $stream->write(@seqDiffs)
 Function: writes the $seqDiff object into the stream
 Returns : 1 for success and 0 for error
 Args    : Bio::Variation::SeqDiff object
```