07-10-2013
i could be missing something but ...
the tail -f | perl command will not work until the perl script is done getting its data and the stream closes ... the cat | perl command results in a closed data stream so it does not have the same issue ...
unless your perl script is able to generate the formatted report and update the same report immediately as new data streams in, i think you would be better off running a check on the log file or periodically just tailing a portion of it and then run it through your perl script ...
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LEARN ABOUT DEBIAN
matcherrc2perlfilter
MATCHERRC2PERLFILTER.PL(1) User Contributed Perl Documentation MATCHERRC2PERLFILTER.PL(1)
NAME
matcherrc2perlfilter -- Conversion of matcherrc rules to perl
DESCRIPTION
This script converts matcherrc filtering rules into perl_filter rules for usage with the claws-mail-perl-filter plugin of the Claws Mail
mailer.
USAGE
matcherrc2perlfilter
No arguments required. Conversion is done for current user only.
FILES
$HOME/.claws-mail/matcherrc
Input file where standard filtering rules lie.
$HOME/.claws-mail/perl_filter
Output file written by this script. Converted rules are appended if the file already exists, so be careful when running the script more
than once.
BUGS
This conversion script doesn't produce nice Perl code and is just intended to get you started. If you choose to use the Perl plugin,
consider rewriting your rules.
SEE ALSO
claws-mail-perl-filter(1), claws-mail(1)
AUTHOR
This manual page was written by Ricardo Mones <mones@debian.org>, for the Debian GNU/Linux system (but may be used by others). The
matcherrc2perlfilter was written by Holger Berndt <berndth@gmx.de>.
perl v5.14.2 2012-11-17 MATCHERRC2PERLFILTER.PL(1)