---
name: "Catmandu::Exporter::Breaker"
section: "3pm"
platform: "linux"
package: "libcatmandu-breaker-perl"
version: "0.141-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Catmandu::Exporter::Breaker"
---

# Catmandu::Exporter::Breaker(3pm)

Package that exports OAI-PMH DC in a Breaker format

## NAME

Catmandu::Exporter::Breaker - Package that exports OAI-PMH DC in a Breaker format

## SYNOPSIS

```
    # Using the default breaker
    $ catmandu convert JSON to Breaker < data.json
    # Using a OAI_DC breaker
    $ catmandu convert OAI --url http://biblio.ugent.be/oai to Breaker
    # Using a MARCXML breaker
    $ catmandu convert MARC to Breaker --handler marc
    # Using an XML breaker
    $ catmandu convert XML --path book to Breaker --handler xml < t/book.xml > data.breaker
    # Write a fields file containing all unique fields
    $ catmandu convert XML --path book to Breaker --handler xml --fields data.fields < t/book.xml > data.breaker
    # Find the usage statistics of fields in the XML file above
    $ catmandu breaker data.breaker
    # Convert the Breaker format by line into JSON
    $ catmandu convert Breaker < data.breaker
    # Convert the Breaker format by line into JSON using the fields file
    $ catmandu convert Breaker --fields data.fields < data.breaker
```

## DESCRIPTION

Inspired by the article "Metadata Analysis at the Command-Line" by Mark Phillips in \<http://journal.code4lib.org/articles/7818\> this exporter breaks a metadata records into the Breaker format which can be analyzed further by command line tools.

## BREAKER FORMAT

```
   <record-identifier><tab><metadata-field><tab><metadata-value>
```

## SEE ALSO

Catmandu::Importer::Breaker