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Full Discussion: Controlling logfiles
Top Forums UNIX for Dummies Questions & Answers Controlling logfiles Post 25918 by auswipe on Wednesday 7th of August 2002 02:06:24 PM
Old 08-07-2002
How about a script that when fired up, counts the number of lines in the log (`wc -l`) and then starts at the first of the file and has it processes log entries it deletes the log entries until the line count of the log file has been reached?

That way, you process messages, reduce the size of the log, but will not miss any added log entries, and because you start with the initial count of the lines of the log, you won't miss new log entries.

The only problem that I can think of is a situation where you delete and the app writes at the exact same time.
 

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uulog(1)						      General Commands Manual							  uulog(1)

NAME
uulog - display entries in the UUCP log file. SYNOPSIS
uulog [-#] [-n lines] [-sf system] [-u user] [-DSF] [--lines lines] [--system system] [--user user] [--debuglog] [--statslog] [--follow] [--follow=system] DESCRIPTION
The uulog program can be used to display entries in the UUCP log file. It can select the entries for a particular system or a particular user. You can use it to see what has happened to your queued jobs in the past. Different options may be used to select which parts of the file to display. OPTIONS
-#, -n lines, --lines lines Here '#' is a number; e.g., `-10'. The specified number of lines is displayed from the end of the log file. The default is to dis- play the entire log file, unless the -f, -F, or --follow options are used, in which case the default is to display 10 lines. -s system, --system system Display only log entries pertaining to the specified system. -u, --user user Display only log entries pertaining to the specified user. -D --debuglog Display the debugging log file. -S, --statslog Display the statistics log file. -F, --follow Keep displaying the log file forever, printing new lines as they are appended to the log file. -f system, --follow=system Keep displaying the log file forever, displaying only log entries pertaining to the specified system. Standard UUCP options: -X type, --debug type Turn on particular debugging types. The following types are recognized: abnormal, chat, handshake, uucp-proto, proto, port, config, spooldir, execute, incoming, outgoing. --debug option may appear multiple times. A number may also be given, which will turn on that many types from the foregoing list; for example, --debug 2 is equivalent to --debug abnormal,chat. -I file, --config Set configuration file to use. -v, --version Report version information and exit. --help Print a help message and exit. SEE ALSO
uucp(1) AUTHOR
Ian Lance Taylor <ian@airs.com>. Text for this Manpage comes from Taylor UUCP, version 1.07 Info documentation. Taylor UUCP 1.07 uulog(1)
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