I have written a long running perl application to help me with some trivial
administrative functions. Due to the
volume of logging generated by this application, I am managing its output with
logrotate. The problem I face is that
perl is "following" the log files that logrotate swaps out. While this is probably
intelligent on perl's part (to
follow the file descriptor rather than the file name), it is presenting a major
problem for me. When "logfile" becomes
"logfile.1" (etc), my application follows that move and "continues" logging to the new
"logfile.1" instead of losing
that file handle -- a condition which I check for so that I can reopen the log file
using the proper file name,
"logfile".
Ultimately, perl will only lose the file handle when logrotate finally deletes the
"last file" in the log rotation
scheme. Unfortunately, I will have lost a week's worth of logs because all that data
will have been in the single file.
Additionally, I'll have several empty log file copies named .1, .2, .3, etc. How can
I set perl to NOT follow the file
when it is renamed by logrotate, such that a condition will be created where I will be
able to initialize the
replacement file?
Thanks!!
- William Kimball
"Programming is an art-form that fights back!"
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