Perforce Public Depot
The VCP/RevML Project

About This Project

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Content Perl code and documentation for the vcp (Versioned Copy) tool and RevML (Revision Markup Language).

vcp is a tool for copying revision controlled files between various SCM repositories. For example, using vcp, it is possible to copy the contents of a entire Perforce depot (or part of one) into a depot on a different Perforce server or to copy the contents of a CVS repository into a Perforce server (or vice-versa).

vcp currently supports bidirectional exchanges between any two of:

  • RevML
  • CVS
  • Perforce
  • VSS (beta)

RevML is an XML language that represents file revisions, such as those managed by Perforce and other version control and configuration management systems. RevML provides a generic way to represent revisions, distinct from any particular version control or SCM tool's format. It forms the basis for other tools that operate on file revisions.

Curator The current curator for this project is Barrie Slaymaker. Please send email to if you would like to submit contributions or have questions.
The revml mailing list is used by contributors and users of RevML and vcp for a general discussion of the development and use of these tools.


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vcp documentation is browsable as HTML via the Perforce repository.

In addition, please refer to the following files from the distribution for more information:

All of the documentation is embedded in files in bin/ and lib/... using POD (Plain Old Documentation). The vcp help command gives command-line access to all documentation, but lists user documentation by default. The vcp help dest_dir command can be used to build your own local copy of the documentation as HTML (this is what is used to generate the HTML documentation linked to above).

The RevML Distribution

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The file comprising the current distribution of RevML are available for direct browsing and downloading from the Perforce Public Depot at


RevML may be downloaded from the Public Depot using any Perforce client software.

Copyright ©
1998, 1999
Perforce Software
You're browsing a file stored as
$Id: //guest/perforce_software/revml/index.html#6 $
in the Perforce Public Depot.
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