I’ve been using a small script I wrote last year to manage the elogs created by Gentoo’s portage program. It’s a simple script to display the log files with the ability to also delete them. More details here.
root # elog-list
portage elog files located in /var/log/portage/elog
1) www-apache:mod_jk-1.2.23:20070726-123924.log
Please select a file to view by entering the corresponding number.
(-1 to exit)