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====== Trimming Pervasive Extended Files ======

This document assumes knowledge of using the **butil** command which is a part of Pervasive.

When .BTR files become large, Pervasive will extend the database over multiple files. \\
Please review [[Pervasive Extended files (FILE.^01)]] for information on these extended files.

There are rare times where the extended files will grow abnormally large.  If you have multiple extended Pervasive files for a specific .BTR record then it may be possible that these files are mostly empty space.

**Process for rebuilding Extended files**

  -  butil -recover file.btr file.rec  (copies the .BTR file to a database dump file)
  -  copy file.rec file.rec.back (backup of the .rec)
  -  delete file.btr (Restart system five and it will rebuild a blank database file.  The file can be copied out of the data53.zip)
  -  butil -load file.rec file.btr

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Author: arose\\
Editor: arose\\
Last Edited: 15-Nov-2007