Options:

option	description	default	example
-h	Display this help message and quit.	do not	-h
-v	Display version and quit.	do not	-v
-A	Do not print Archive Sections report	do it	-A
-a N	Print Top N Archives	0	-a 10
-B regex	Blank out partial URLs matching the regex		-B '(^\/cgi-bin\/search.*)'
-C	Do not print full hosts listing	do it	-C
-c N	Print Top N Hosts	0	-c 10
-D	Do not print full top level domain report	do it	-D
-d N	Print Top N Top Level Domains	0	-d 10
-F	Do not print full file listing	do it	-F
-f N	Print Top N Files	0	-f 10
-g StatFile	Name of the file where graphic reports are stored		-g graphs.html
-I regex	Directory Index pages (see NCSA option: DirectoryIndex)		-I '([Ii]ndex.html|[Ww]elcome.html)'
-i StatFileList	Include Reports from old Files (assumed to be a prior output of the same version of gwfstats).		-i /htdocs/stats/9701/c.html,/htdocs/stats/9702/c.html
-L	Do not perform hostname lookups of unresolved addresses	do it	-L
-N name	System name for report	www.dom.ain	-N irb.cs.uni-magdeburg.de
-O order	Order of include/exclude/replace functions to perform	uUxXrR	-o ru
-o StatFile	Name of the file where non-graphic reports are stored		-o stats.html
-p path	System Directory where the generated files are to be stored.	/htdocs/stats/current	-p /htdocs/stats/9701
-Q N	Volume Quota in bytes	0 (means no quota)	-Q 1048576
-q R	Quota Rate in US$/meg/day over volume quota	0	-q 0.15
-R regex	Do not include refs to files matching the perl regex		-R '^\/cgi-bin\/.*'
-r regex	Only include refs to files matching the perl regex		-r '((\/~elkner.*)|(\/~myfriend.*))'
-T regex	Filter top N file list to exclude regex		-T '(\.xbm$|\.gif$|\.png$|\.jpg$)'
-t logtype	Select whether log files are to be processed as FTP xferlogs, Common Log format, NCSA Combined format, or Apache multihomed server log format.	common	-t ftp
-U substExprList	A @@ separated List of Perl substitute expressions for doing Hostname Substitutions/Replacements		-u '^wotan$@@wotan.cs.uni-magdeburg.de'
-u substExprList	A @@ separated List of Perl substitute expressions for doing FileName Substitutions/Replacements		-u '^/((ATM)|(Architext)|(Mbone))$@@\/$1\/'
-X regex	Do not include any domain/host name matching the perl regex		-X virtual.website.com
-x regex	Only include any domain/host name matching the perl regex		-x cs.uni-magdeburg.de
-Y	Do not print Hourly stats	do it	-Y
-y	Do not print Daily stats	do it	-y
-Z	Do not print summary report	do it	-Z
-z	Do not print Status summary report	do it	-z

Terms:

N	Number of type Integer >= 0
R	Number of type Real
StatFile	regular file name where generated reports are stored (path or URLpath are automatic. prefixed if necessary)
LogFileList	a whitespace separated list of httpd access log files (compressed files like file.Z or file.gz are allowed)
StatFileList	a comma separated list of $Version generated files containing reports from previous runs
logtype	What kind of log you want to analyze (default = common)       common = WWW common log format       ftp = FTPd log       combined = NCSA combined log format       apache = Apache multi-homed log
order	the same as include/exclude/replace switches - i.e., [[r][R][u][U][x][X]]. E.g. sometimes it might be necessary first to execute the 'include only rule' submitted via -r option and than the 'replace rule' submitted via option -u. In that case you would specify -O ru
regex	Perl regular expression
regexList	2 Perl regexs separated by @@ (i.e. regex@@regex)

Example:

Follow this link to see, how we generate statistics for our web server.