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.

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.


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vcp documentation is browsable as HTML via the Perforce repository.

The perl files in bin/... and lib/... are self-documented using perl "POD" embedded documents. Please see the "perlpod" man page from your perl distribution if you are not familiar with this format.

Please refer to the following files from the distribution for more information:

Copyright ©
1998, 1999
Perforce Software
You're browsing a file stored as
$Id: //guest/perforce_software/revml/index.html#5 $
in the Perforce Public Depot.
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