Can I concatenate IM Logs?

Tue Apr 22 16:40:14 EDT 2014

I'm new to Pidgin.  My IM logs seem to be individual files.  Is there a setting that would concatenate or append so over time so I could review months or years of IMs (as AIM logs do).  I'm using Pidgin 2.10.9 on Windows 8.1  Thanks for any help or suggestions.
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