fetchlog Free and open source application that will help you fetch and convert new messages of a logfile
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fetchlog Description

Free and open source application that will help you fetch and convert new messages of a logfile The fetchlog utility displays the last new messages of a logfile. It is similar like tail (1) but offers some extra functionality for output formatting and message filtering using extended regular expressions for pattern matching. To show only the new messages appeared since the last call fetchlog uses a bookmark to remember which messages have been fetched. fetchlog scans backwards a logfile and collects all messages and it has an option to collect only those matching any of the given regular expression patterns. Then fetchlog converts found message lines for output. It stops scanning when one of these conditions become true: The bookmark from bookmarkfile is reached, or more than len characters are ready for output, or an error occurs. fetchlog knows about rotated and uncompressed logfiles and continues scanning in rotated logfiles by appending '.0', '.1' upto '.9' to logfile when scanning in rotated logfiles. Scanning stops without error when a rotated logfile does not exist. fetchlog may be used as a local plugin for the Nagios (formerly Netsaint) network monitoring system to monitor a local logfile. It follows the calling convention for Nagios plugins when conversion is set at least to 'no' and len is short enough for Nagios. What's New in This Release: · Updated CHANGES-file

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