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     * Cronolog: (cronolog).            A log file rotation program for web servers
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Copyright © 1997 Ford & Mason Ltd.

Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.

Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided also that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.

Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions.

Cronolog
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Cronolog is a log file rotation program for web servers.

This file describes version 1.3 of cronolog.

What is Cronolog?
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Cronolog is a log file rotation program for web servers.

How Cronolog works
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When Cronolog starts up it examines the log file template specified on the command line and determines the periodicity of the log files, i.e. how often the log file should be rotated.  It does this by looking for date format directives within the template and recording which directive specifies the smallest unit of time.

When a log file is opened, Cronolog calculates the earliest time at which a new log file should be written.

Support utilities
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If you have not been rotating your log files or you have used another mechanism for rotating log files, you may want to split your existing log files according to the template you are using for Cronolog.  A simple perl script called split-logs-by-timestamp is provided to do just that.