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PRIVOXY-LOG-PARSER(1) User Contributed Perl DocumentationPRIVOXY-LOG-PARSER(1)

NAME
       privoxy-log-parser - A parser and syntax-highlighter for	Privoxy	log
       messages

SYNOPSIS
       privoxy-log-parser [--detect-inactivity]	[--inactivity-threshold	msecs]
       [--html-output] [--no-msecs] [--no-syntax-higlighting] [--statistics]
       [--shorten-thread-ids] [--show-ineffective-filters]
       [--url-statistics-threshold] [--version]

DESCRIPTION
       privoxy-log-parser reads	Privoxy	log messages and

       - syntax-highlights recognized lines,

       - reformats some	of them	for easier comprehension,

       - filters out less useful messages, and

       - (in some cases) calculates additional information,
	 like the compression ratio or how a filter affected
	 the content size.

       With privoxy-log-parser you should be able to increase Privoxy's	log
       level without getting confused by the resulting amount of output. For
       example for "debug 64" privoxy-log-parser will (by default) only	show
       messages	that affect the	content. If a filter doesn't cause any hits,
       privoxy-log-parser will hide the	"filter	foo caused 0 hits" message.

OPTIONS
       [--detect-inactivity] Instead of	syntax highlighting, detect periods of
       log inactivity of more than the amount of milliseconds specified	with
       the --inactivity-threshold option. Mainly useful	for debugging.

       [--host-statistics-threshold] Only show the request count for a host if
       it's above or equal to the given	threshold. If the threshold is 0, host
       statistics are disabled.

       [--html-output] Use HTML	and CSS	when syntax highlighting. If this
       option is omitted, ANSI escape sequences	are used unless
       --no-syntax-highlighting	is active.  This option	is only	intended to
       make embedding log excerpts in web pages	easier.	 It does not escape
       any input!

       [--inactivity-threshold msecs] Specifies	the number of milliseconds
       between log messages to consider	inactivity when	running	in
       [--detect-inactivity] mode.

       [--keep-date] Don't remove the date when	printing highlighted log
       messages.  Useful when parsing multiple log files at once.

       [--no-msecs] Don't expect millisecond resolution

       [--no-syntax-highlighting] Disable syntax-highlighting. Useful when the
       filtered	output is piped	into less in which case	the ANSI control codes
       don't work, or if the terminal itself doesn't support the control
       codes.

       [--passed-request-statistics-threshold] Only show the request count for
       a passed	requests if it's above or equal	to the given threshold.	If the
       threshold is 0, passed request statistics are disabled.

       [--shorten-thread-ids] Shorten the thread ids to	a three-digit decimal
       number.	Note that the mapping from thread ids to shortened ids is
       created at run-time and thus varies with	the input.

       [--show-ineffective-filters] Don't suppress log lines for filters that
       didn't modify the content.

       [--show-complete-request-distribution] Show the complete	client request
       distribution in the --statistics	output.	Without	this option only the
       ten most	common numbers are shown.

       [--statistics] Gather various statistics	instead	of syntax highlighting
       log messages. This is an	experimental feature, if the results look
       wrong they very well might be. Also note	that the results are pretty
       much guaranteed to be incorrect if Privoxy and Privoxy-Log-Parser
       aren't in sync.

       [--strict-checks] When generating statistics, look more careful at the
       input data and abort if it is unexpected, even if it doesn't affect the
       results.	Significantly slows the	parsing	down and is not	expected to
       catch any problems that matter.	When highlighting, print warnings in
       case of unknown messages	which can't be properly	highlighted.

       [--unbreak-lines-only] Tries to fix lines that got messed up by a
       broken or interestingly configured mail client and thus are no longer
       recognized properly.  Only fixes	some breakage, but may be good enough
       or at least better than nothing.	 Doesn't do anything else, so you
       probably	want to	pipe the output	into privoxy-log-parser	again.

       [--url-statistics-threshold] Only show the request count	for a resource
       if it's above or	equal to the given threshold. If the threshold is 0,
       URL statistics are disabled.

       [--version] Print version and exit.

EXAMPLES
       To monitor a log	file:

       tail -F /usr/jails/privoxy-jail/var/log/privoxy/privoxy.log |
       privoxy-log-parser

       Replace '-F' with '-f' if your tail implementation lacks	'-F' support
       or if the log won't get rotated anyway. The log file location depends
       on your system (Doh!).

       To monitor Privoxy without having it write to a log file:

       privoxy --no-daemon
       /usr/jails/privoxy-jail/usr/local/etc/privoxy/config 2>&1 |
       privoxy-log-parser

       Again, the config file location depends on your system. Output
       redirection depends on your shell, the above works with bourne shells.

       To read a processed Privoxy log file from top to	bottom,	letting	the
       content scroll by slightly faster than you can read:

       privoxy-log-parser <
       /usr/jails/privoxy-jail/var/log/privoxy/privoxy.log

       This is probably	only useful to fill screens in the background of haxor
       movies.

CAVEATS
       Syntax highlighting with	ANSI escape sequences will look	strange	if
       your background color isn't black.

       Some messages aren't recognized yet and will not	be fully highlighted.

       privoxy-log-parser is developed with Privoxy 3.0.7 or later in mind,
       using earlier Privoxy versions will probably result in an increased
       amount of unrecognized log lines.

       Privoxy's log files tend	to be rather large. If you use HTML
       highlighting some browsers can't	handle them, get confused and will
       eventually crash	because	of segmentation	faults or unexpected
       exceptions. This	is a problem in	the browser and	not
       privoxy-log-parser's fault.

BUGS
       Many settings can't be controlled through command line options yet.

SEE ALSO
       privoxy(8)

AUTHOR
       Fabian Keil <fk@fabiankeil.de>

perl v5.42.2			  2026-04-09		 PRIVOXY-LOG-PARSER(1)

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