+#!/usr/bin/perl
+#
+# usestats.pl
+#############
+
+# (c) 10/2003-10/2004 Thomas Hochstein <thh@inter.net>
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option)
+# any later version.
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+
+# Modules #############################
+# use Data::Dumper;
+use Date::Manip qw(Date_Init ParseDate Date_Cmp DateCalc UnixDate Delta_Format Date_DaysInMonth);
+use File::Find;
+use Getopt::Std;
+use Locale::Recode;
+use Mail::Address;
+use MIME::Words qw(decode_mimewords);
+
+# Versionsnummer ######################
+$ver = '0.17 beta (20041003)';
+
+# Konstanten #########################
+
+$hex_nibb = '[0-9a-fA-F]';
+$gt_hex_nibb = '[0-9A-F]';
+$lt_hex_nibb = '[0-9a-f]';
+$alpha_num = '[0-9a-zA-Z]';
+$lt_alpha_num = '[0-9a-z]';
+$gt_alpha_num = '[0-9A-Z]';
+%reporttitel = ('newsgroups' => 'Newsgroupnutzung',
+ 'poster' => 'Poster (strukturiert)',
+ 'posterraw' => 'Poster (unstrukturiert)',
+ 'subject' => 'Subjects (strukturiert)',
+ 'newsreader' => 'Newsreader (strukturiert)',
+ 'nruser' => 'Nutzer pro Newsreader (strukturiert)');
+
+# Variablen ###########################
+
+# Defaults
+%config=();
+
+# $config{'newsgroup'} = '';
+# $config{'start'} = '';
+# $config{'stop'} = '';
+$config{'recursive'} = 0;
+$config{'pipeformat'} = 'mbox';
+$config{'charset'} = 'ISO-8859-1';
+$config{'tz'} = '+0200';
+$config{'graphchar'} = '#';
+
+$config{'day'} = 1;
+@reports = ('newsgroups','poster','posterraw','subject','newsreader','nruser');
+foreach $report (@reports) {
+ $config{$report} = 1;
+ $config{$report.'_width'} = 30;
+ $config{$report.'_indent'} = 2;
+ $config{$report.'_lines'} = 0;
+ $config{$report.'_cutoff'} = 0;
+ $config{$report.'_graph'} = 20;
+};
+$config{'newsgroups'} = 0;
+$config{'posterraw'} = 0;
+$config{'unknownreader'} = 'show';
+
+# Hauptprogramm #######################
+# Konfiguration einlesen
+my %options;
+getopts('hqc:r:w:', \%options);
+if ($options{'h'}) {
+ print "$0 v $ver\nUsage: $0 [-hq] [-w|r <savefile>] [-c <configfile>]\n";
+ exit(0);
+};
+print STDERR "$0 v $ver [" . scalar(gmtime) . "]\n(c) 10/2003-10/2004 Thomas Hochstein * <thh\@inter.net>\n" if (!$options{'q'});
+if ($options{'c'}) {
+ &readconfig($options{'c'});
+};
+if (length($config{'graphchar'}) > 1 or $config{'graphchar'} eq '') {
+ $config{'graphchar'} = '#';
+};
+# Charset prüfen
+$config{'charset'} = uc($config{'charset'});
+$supported = Locale::Recode->getSupported;
+if (!scalar(grep /$config{'charset'}/, @{$supported})) {
+ print STDERR "ERROR: unknown charset $config{'charset'}\n";
+ $config{'charset'} = 'ISO-8859-1';
+};
+
+&Date_Init("TZ = $config{'tz'}");
+
+if ($options{'r'}) {
+ @postings = @{&readdata($options{'r'})};
+ print STDERR "\n>>>>> Data loaded.\n\n" if (!$options{'q'});
+} else {
+ # Postings parsen
+ if (exists($config{'spooldir'})) {
+ if ($config{'recursive'}) {
+ @postings = @{&get_spool_recursive($config{'spooldir'})};
+ } else {
+ @postings = @{&get_spool($config{'spooldir'})};
+ };
+ } else {
+ @postings = @{&get_stdin($config{'pipeformat'})};
+ };
+ print STDERR "\n>>>>> Data parsed.\n\n" if (!$options{'q'});
+
+ # Daten speichern, falls verlangt
+ if ($options{'w'}) {
+ &writedata($options{'w'},\@postings);
+ }
+};
+
+# Postings auswerten
+$newsgrouplgth = 0;
+$posterrawlgth = 0;
+$posterlgth = 0;
+$subjectlgth = 0;
+$newsreaderlgth = 0;
+
+foreach $posting (@postings) {
+ %header = %{$posting};
+ &day($header{'date'}) if $config{'day'};
+ &newsgroups($header{'newsgroups'}) if $config{'newsgroups'};
+ &poster($header{'from'}) if ($config{'poster'} or $config{'posterraw'});
+ &subject($header{'subject'}) if $config{'subject'};
+ &client($posting) if ($config{'newsreader'} or $config{'nruser'});
+};
+
+# Nutzer pro Newsreader ermitteln
+if ($config{'nruser'}) {
+ foreach $user (keys %userreader) {
+ $nruser{$userreader{$user}}++;
+ if (length($userreader{$user}) > $nruserlgth) { $nruserlgth = length($userreader{$user}); };
+ $nrusersum++;
+ #D print "!> $user: $userreader{$user}\n";
+ };
+};
+
+print STDERR "\n>>>>> Data analyzed.\n\n" if (!$options{'q'});
+
+# Ausgabe generieren
+$output = "Auswertung";
+if ($config{'newsgroup'}) { $output .= " für $config{'newsgroup'}"; };
+print center($output);
+if ($config{'start'} || $config{'stop'}) {
+ $output = '';
+ if ($config{'start'}) { $output .= "von $config{'start'} "; };
+ if ($config{'stop'}) { $output .= "bis $config{'stop'}"; };
+ print center($output);
+};
+print center("=" x length($output))."\n";
+
+# Postings pro Tag ermitteln und ausgeben
+if ($config{'day'}) {
+ print center("Postings pro Tag");
+ print center("----------------");
+ &Date_Init("Language = German");
+ $postcount = 0; $firstday = 0; $lastday = 0; $lastkw = 0; $lastmonat = 0;
+ foreach $day (sort keys %datecount) {
+ $firstday = $day if ($lastday == 0);
+ $monat = UnixDate($day,"%B %Y");
+ if ($monat ne $lastmonat) {
+ if ($postcount > 0) {
+ printf "\n\nPostings %-14s: %d (%.2f pro Tag)\n",$lastmonat,$postcount,($postcount / Date_DaysInMonth(UnixDate($lastday,"%m"),UnixDate($lastday,"%Y")));
+ };
+ $postcount = 0;
+ print "\n\n".center($monat,50)."\n";
+ print " KW : Mo : Di : Mi : Do : Fr : Sa : So :\n";
+ print "------------------------------------------------";
+ };
+ $kw = UnixDate($day,"%W");
+ if ($kw != $lastkw && $lastkw > 0 && $monat eq $lastmonat) {
+ for ($i=$lastkw+1; $i < $kw; $i++) {
+ printf "\n %2.2d :",$i;
+ };
+ };
+ if ($kw != $lastkw || $monat ne $lastmonat) {
+ printf "\n %2.2d :",$kw;
+ print " " x (6*(UnixDate($day,"%w")-1));
+ } elsif ($lastday != 0 && $day-$lastday > 1) {
+ print " " x (6*($day-$lastday-1));
+ };
+ printf " %5.5s",$datecount{$day};
+ $postcount += $datecount{$day};
+ $lastday = $day;
+ $lastkw = $kw;
+ $lastmonat = $monat;
+ };
+ if ($postcount > 0) {
+ printf "\n\nPostings %-14s: %d (%.2f pro Tag)\n",$lastmonat,$postcount,($postcount / Date_DaysInMonth(UnixDate($lastday,"%m"),UnixDate($lastday,"%Y")));
+ };
+ $daycount = Delta_Format(DateCalc(ParseDate($firstday),ParseDate($lastday)),0,'%dh');
+ #D print STDERR "$daycount = $lastday - $firstday\n";
+ print "\n\n";
+ if (scalar(@postings)) {
+ printf "Postings insgesamt: %d (%.2f pro Tag)\n\n\n",scalar(@postings),scalar(@postings)/$daycount;
+ } else {
+ print "Keine Postings erfasst.\n\n\n";
+ };
+};
+#D print &format_table(\%datecount,scalar(@postings),8,50,2,0,0);
+
+# restliche Reports ausgeben
+foreach $report (@reports) {
+ if ($config{$report}) {
+ print center($reporttitel{$report});
+ print center("-" x length($reporttitel{$report}))."\n";
+ $reportlgth = $report.'lgth';
+ $reportsum = $report.'sum';
+ $$reportsum = scalar(@postings) unless defined($$reportsum);
+ print &format_table(\%$report,$$reportsum,$$reportlgth,$config{$report.'_width'},$config{$report.'_indent'},$config{$report.'_lines'},$config{$report.'_cutoff'},$config{$report.'_graph'});
+ print "\n\n";
+ };
+};
+
+print "-- \n$0 v $ver [" . scalar(gmtime) . "]\n(c) 10/2003-10/2004 Thomas Hochstein * <thh\@inter.net>\n";
+exit;
+
+# Subroutinen #########################
+
+sub get_stdin {
+ # Header aus Postings auslesen (gepipete Datei)
+ # IN: $format
+ # (MBOX-File oder data.dat, gepiped in STDIN)
+ # OUT: Referenz auf @postings, das jeweils
+ # Referenzen auf %header (die Header) enthält
+ my $format = shift; # Format der zu verarbeitenden Datei
+ my ($trigger,$hname,$hcontents,%header,@postings,%midcache,$exit);
+ if ($format eq 'hamster') {
+ $trigger = '^.{4}X-Hamster-Info: ';
+ } else {
+ # Default: mbox
+ $trigger = '^From \S+\@\S+ ';
+ };
+ while (<>) {
+ # Neues Posting beginnt?
+ if (/$trigger/o) {
+ $exit = 0;
+ PARSELOOP:
+ while (<>) {
+ # Leerzeile = Header beendet
+ if (/^$/) {last PARSELOOP; }
+ chomp;
+ # Gefoldete Header an letzten anhängen
+ if (/^\s+/) {
+ s/^\s*(.+)\s*$/$1/;
+ # $header{lc($hname)} .= "\n\t$_";
+ if (/^=\?/) {
+ $header{lc($hname)} .= $_;
+ } else {
+ $header{lc($hname)} .= " $_";
+ };
+ # Normale Header
+ } else {
+ ($hname,$hcontents) = split /:/,$_,2;
+ $hcontents =~ s/^\s*(.+)/$1/;
+ # richtige Newsgroup, falls gesetzt?
+ if (exists($config{'newsgroup'}) && $config{'newsgroup'} ne '' && lc($hname) eq 'newsgroups' && lc($hcontents) !~ /$config{'newsgroup'}/) {
+ #D print STDERR "ERROR: not $config{'newsgroup'}\n";
+ $exit = 1;
+ last PARSELOOP;
+ # richtiger Datumsbereich, falls gesetzt?
+ } elsif (lc($hname) eq 'date' && ((exists($config{'start'}) && $config{'start'} ne '' && Date_Cmp($hcontents,$config{'start'}) < 0) or (exists($config{'stop'}) && $config{'stop'} ne '' && Date_Cmp($hcontents,$config{'stop'}.' 23:59:59') > 0))) {
+ #D print STDERR "ERROR: $hcontents not between $config{'start'} and $config{'stop'}\n";
+ $exit = 1;
+ last PARSELOOP;
+ # Posting schonmal erfasst? MID-cache
+ } elsif (lc($hname) eq 'message-id' && exists($midcache{$hcontents})) {
+ #D print STDERR "ERROR: $hcontents was already cached\n";
+ $exit = 1;
+ last PARSELOOP;
+ };
+ $header{lc($hname)} = $hcontents;
+ };
+ };
+ #D $count++; print "--$count--".$header{'message-id'}."\n";
+ # Referenz auf Kopie von %header in @postings einhängen & MID cachen
+ if (!$exit) {
+ #D print "! $header{'message-id'}\n";
+ #D print "> $header{'from'}\n";
+ #D print "> $header{'newsgroups'}\n";
+ #D print "> $header{'date'}\n";
+ #D print "-----\n";
+ $midcache{$header{'message-id'}}++;
+ push @postings, { %header };
+ };
+ undef %header;
+ };
+ };
+ return \@postings;
+};
+
+sub get_spool {
+ # Header aus Postings auslesen (Dateien im Spool)
+ # IN: $verzeichnis
+ # OUT: Referenz auf @postings, das jeweils
+ # Referenzen auf %header (die Header) enthält
+ # Globale Variablen, die gesetzt werden:
+ # %midcache;
+ my $verzeichnis = shift;
+ my ($file,$hname,$hcontents,%header,@postings,$exit);
+ opendir(SPOOL,$verzeichnis) || print STDERR "ERROR: Could not open spool directory $verzeichnis: $!";
+ FILELOOP:
+ while(defined($file = readdir(SPOOL))) {
+ if($file =~/^\./) { next FILELOOP; };
+ #D print "!-> $file\n";
+ open POSTING, "<$verzeichnis/$file" || print STDERR "ERROR: Could not open article file $verzeichnis/$file for reading: $!";
+ $exit = 0;
+ PARSELOOP:
+ while(<POSTING>) {
+ # Leerzeile = Header beendet
+ if (/^$/) {last PARSELOOP; }
+ chomp;
+ # Gefoldete Header an letzten anhängen
+ if (/^\s+/) {
+ s/^\s*(.+)\s*$/$1/;
+ # $header{lc($hname)} .= "\n\t$_";
+ if (/^=\?/) {
+ $header{lc($hname)} .= $_;
+ } else {
+ $header{lc($hname)} .= " $_";
+ };
+ # Normale Header
+ } else {
+ ($hname,$hcontents) = split /:/,$_,2;
+ $hcontents =~ s/^\s*(.+)/$1/;
+ # richtige Newsgroup, falls gesetzt?
+ if (exists($config{'newsgroup'}) && $config{'newsgroup'} ne '' && lc($hname) eq 'newsgroups' && lc($hcontents) !~ /$config{'newsgroup'}/) {
+ #D print STDERR "ERROR: not $config{'newsgroup'}\n";
+ $exit = 1;
+ last PARSELOOP;
+ # richtiger Datumsbereich, falls gesetzt?
+ } elsif (lc($hname) eq 'date' && ((exists($config{'start'}) && $config{'start'} ne '' && Date_Cmp($hcontents,$config{'start'}) < 0) or (exists($config{'stop'}) && $config{'stop'} ne '' && Date_Cmp($hcontents,$config{'stop'}).' 23:59:59' > 0))) {
+ #D print STDERR "ERROR: $hcontents not between $config{'start'} and $config{'stop'}\n";
+ $exit = 1;
+ last PARSELOOP;
+ # Posting schonmal erfasst? MID-cache
+ } elsif (lc($hname) eq 'message-id' && exists($midcache{$hcontents})) {
+ #D print STDERR "ERROR: $hcontents was already cached\n";
+ $exit = 1;
+ last PARSELOOP;
+ };
+ $header{lc($hname)} = $hcontents;
+ };
+ };
+ # Referenz auf Kopie von %header in @postings einhängen & MID cachen
+ if (!$exit) {
+ $midcache{$header{'message-id'}} = 1 ;
+ push @postings, { %header };
+ };
+ undef %header;
+ # print "! $header{'message-id'}\n";
+ # print "> $header{'from'}\n";
+ close(POSTING);
+ };
+ closedir(DIR);
+ return \@postings;
+};
+
+sub get_spool_recursive {
+ # Header aus Postings auslesen (Dateien im Spool, mehrere Spoolverzeichnisse)
+ # ruft &get_spool rekursiv auf
+ # IN: $wurzelverzeichnis
+ # OUT: Referenz auf @postings, das jeweils
+ # Referenzen auf %header (die Header) enthält
+ my $wurzelverzeichnis = shift;
+ my (@verzeichnisse, $verzeichnis);
+ find sub { -d $File::Find::name && push @verzeichnisse, $File::Find::name }, $wurzelverzeichnis;
+ foreach $verzeichnis (@verzeichnisse) {
+ push @postings, @{&get_spool($verzeichnis)};
+ };
+ return \@postings;
+};
+
+sub day {
+ # Postings pro Tag ermitteln
+ # IN: Date:-Header des jeweiligen Postings
+ # OUT: ---
+ # Globale Variablen, die gesetzt werden:
+ # %datecount;
+ my $datum = shift;
+ if ($datum = UnixDate($datum,"%Y%m%d")) {
+ $datecount{$datum}++;
+ };
+ #D print ">> $datum\n";
+ return;
+};
+
+sub poster {
+ # Poster (mit vollem From + nur mit Namen) auswerten
+ # IN: From:-Header des jeweiligen Postings
+ # OUT: ---
+ # Globale Variablen, die gesetzt werden:
+ # %posterraw;
+ # %poster;
+ # $posterrawlgth;
+ # $posterlgth;
+ my $from = shift;
+ my $name;
+ ($from) = Mail::Address->parse($from);
+ if (defined($from)) {
+ # Postings pro Poster (nach Namen im From:)
+ $name = $from->format;
+ } else {
+ $name = '(unbekannt)';
+ };
+ if ($name eq '') { $name = '(unbekannt)'; };
+ $posterraw{$name}++;
+ if (length($name) > $posterrawlgth) { $posterrawlgth = length($name); };
+ if (defined($from)) {
+ # Postings pro Poster (nach From:)
+ $name = &mime_decode($from->name);
+ };
+ #D print "::>> $name\n";
+ $poster{$name}++;
+ if (length($name) > $posterlgth) { $posterlgth = length($name); };
+ #D print "!> $address : $name\n";
+ return;
+};
+
+sub subject {
+ # Subject auswerten
+ # IN: Subject:-Header des jeweiligen Postings
+ # OUT: ---
+ # Globale Variablen, die gesetzt werden:
+ # %subject;
+ # $subjectlgth;
+ # Subject decodieren
+ my $subject = shift;
+ $subject = &mime_decode($subject);
+ $subject =~ s/^(re|aw): (.+)/$2/i;
+ # Postings mit entsprechendem Subject
+ $subject{$subject}++;
+ if (length($subject) > $subjectlgth) { $subjectlgth = length($subject); };
+ #D print "!> $subject\n";
+ return;
+};
+
+sub newsgroups {
+ # Newsgroup auswerten
+ # IN: Newsgroup:-Header des jeweiligen Postings
+ # OUT: ---
+ # Globale Variablen, die gesetzt werden:
+ # %newsgroups;
+ # $newsgroupslgth;
+ # $newsgroupssum:
+ # Newsgroup decodieren - wohl nicht erforderlich?
+ my $newsgroup;
+ my $newsgroups = shift;
+ #D print "!> $newsgroup\n";
+ # $newsgroups = &mime_decode($newsgroups);
+ my @newsgroups = split /,/,$newsgroups;
+ # Postings in entsprechende Newsgroups
+ foreach $newsgroup (@newsgroups) {
+ # auch Crossposts als Inkarnation zählen
+ $newsgroupssum++;
+ chomp($newsgroup);
+ $newsgroups{$newsgroup}++;
+ if (length($newsgroup) > $newsgroupslgth) { $$newsgroupslgth = length($newsgroup); };
+ #D print "--> $newsgroup\n";
+ }
+ return;
+};
+
+sub client {
+ # Newsreader zu ermitteln versuchen
+ # IN: Referenz auf %header des jeweiligen Postings
+ # OUT: ---
+ # Globale Variablen, die gesetzt werden:
+ # %newsreader;
+ # $newsreaderlgth;
+ # %userreader;
+ my $posting = shift;
+ my %header = %{$posting};
+ my ($newsreader);
+ # zutreffenden Header ermitteln, mit Präzedenz User-Agent -> X-Newsreader -> X-Mailer
+ if (defined($header{'user-agent'}) && $header{'user-agent'} !~ /^hamster/i) {
+ $newsreader = &mime_decode($header{'user-agent'});
+ } elsif(defined($header{'x-newsreader'})) {
+ $newsreader = &mime_decode($header{'x-newsreader'});
+ } elsif(defined($header{'x-mailer'})) {
+ $newsreader = &mime_decode($header{'x-mailer'});
+ };
+ # Newsreader zu ermitteln versuchen
+ if ((defined($newsreader)) and ($newsreader ne '')) {
+ #D print "! $newsreader\n";
+ KNOWN: {
+ $newsreader = 'Outlook Express', last KNOWN if $newsreader=~/Outlook Express/i;
+ $newsreader = 'Mozilla', last KNOWN if ($newsreader=~/Mozilla/i and $newsreader!~/StarOffice/i);
+ $newsreader = 'Star Office', last KNOWN if ($newsreader=~/Mozilla/i and $newsreader =~/StarOffice/i);
+ $newsreader = 'Forté Agent', last KNOWN if ($newsreader=~/Forte.*Agent/i or $header{'message-id'}=~/^[a-zA-Z0-9=+]{28,34}\@/ or $header{'message-id'}=~/^$lt_alpha_num{8}\.\d{7,9}\@/o or $header{'message-id'}=~/^$lt_alpha_num{7}\.\d{2,3}\.\d\@/o);
+ $newsreader = 'Xnews', last KNOWN if ($newsreader=~/Xnews/i or $header{'message-id'}=~/^$lt_alpha_num{6}\.$lt_alpha_num{2}\.\d\@/o);
+ $newsreader = 'Gnus', last KNOWN if ($newsreader=~/Gnus/i or $header{'message-id'}=~/^$lt_alpha_num{10,11}\.fsf\@/o);
+ $newsreader = 'slrn', last KNOWN if ($newsreader=~/slrn/i or $header{'message-id'}=~/^slrn$lt_alpha_num{6}\.$lt_alpha_num{2,3}\.\w+\@/o);
+ $newsreader = 'MacSOUP', last KNOWN if ($newsreader=~/MacSOUP/i or $header{'message-id'}=~/^$lt_alpha_num{7}\.$lt_alpha_num{13,14}[A-Z]\%[a-zA-Z\.]+\@/o);
+ $newsreader = 'Gravity', last KNOWN if ($newsreader=~/Gravity/i or $header{'message-id'}=~/^MPG\.$lt_hex_nibb{22}\@/o);
+ $newsreader = 'Pine', last KNOWN if ($newsreader=~/Pine/i or $header{'message-id'}=~/^Pine\.$gt_alpha_num{3}\.\d\.\d{2}\.\d{14}\.\d{4,5}-\d{6}\@/o);
+ $newsreader = 'Crosspoint', last KNOWN if ($newsreader=~/Crosspoint/i or $header{'message-id'}=~/^[a-zA-Z0-9\$\-]{11}\@/o);
+ $newsreader = 'Crosspoint/OpenXP', last KNOWN if ($newsreader=~/OpenXP/);
+ $newsreader = 'Pan', last KNOWN if ($newsreader=~/Pan/);
+ $newsreader = 'Fortitude Dialog', last KNOWN if ($newsreader=~/Dialog/i);
+ $newsreader = 'tin', last KNOWN if ($newsreader=~/tin\//);
+ $newsreader = 'KNode', last KNOWN if ($newsreader=~/KNode/);
+ $newsreader = 'Opera', last KNOWN if ($newsreader=~/Opera/);
+ $newsreader = 'Freenet-Webnews', last KNOWN if ($newsreader=~/Freenet-Webnews/i);
+ $newsreader = 'NewsFleX', last KNOWN if ($newsreader=~/NewsFleX/i);
+ $newsreader = 'knews', last KNOWN if ($newsreader=~/knews/i);
+ $newsreader = 'WinVN', last KNOWN if ($newsreader=~/WinVN/i);
+ $newsreader = 'nn', last KNOWN if ($newsreader=~/nn\//);
+ $newsreader = 'Lotus Notes', last KNOWN if ($newsreader=~/Lotus.*Notes/);
+ $newsreader = 'NewsPortal', last KNOWN if ($newsreader=~/NewsPortal/i);
+ $newsreader = 'ProNews', last KNOWN if ($newsreader=~/ProNews/i);
+ $newsreader = 'Sylpheed', last KNOWN if ($newsreader=~/Sylpheed/i);
+ print STDERR "Unknown Newsreader: $newsreader\n" if (!$options{'q'});
+ if($config{'unknownreader'} eq 'show') {
+ # $newsreader ist ja schon gesetzt
+ } else {
+ $newsreader = '(Sonstiger)';
+ };
+ }
+ } else {
+ $newsreader = '(keine Angabe)'
+ };
+ # Usernamen ermitteln und Newsreader dieses Nutzers setzen
+ # (bei versch. Newsreadern zählt also der letzte)
+ ($from) = Mail::Address->parse($header{'from'});
+ if (defined($from)) {
+ $name = $from->format;
+ $userreader{$name} = $newsreader;
+ #D print "> $userreader{$name}\n";
+ };
+ #D print "> $newsreader\n";
+ if (length($newsreader) > $newsreaderlgth) { $newsreaderlgth = length($newsreader); };
+ $newsreader{$newsreader}++;
+ return;
+}
+
+sub center {
+ # Text mittig formatieren
+ # IN: $text, $width
+ # OUT: (zentrierter Text)
+ my $text = shift; # Text
+ my $width = shift; # Breite der Spalte
+ chomp($text);
+ $width ||= 70; # Defaultbreite: 70
+ return ' 'x(($width-length($text))/2).$text."\n";
+};
+
+sub format_table {
+ # Tabelle formatieren
+ # IN: \%values, $sum, $longest, $maxwidth, $indent, $lines, $cutoff, $graph
+ # OUT: $output (formatierte Tabelle)
+ my $values = shift; # Referenz auf %values
+ my $sum = shift; # Gesamtsumme (fuer Prozentwert)
+ my $longest = shift; # Längster Index von %values
+ my $maxwidth = shift; # Maximale Spaltenbreite für den Index
+ my $indent = shift; # Einzug links
+ my $lines = shift; # Maximale Zeilenzahl der Tabelle
+ my $cutoff = shift; # Minimaler anzuzeigender Wert
+ my $graphwidth = shift; # Spaltenbreite für Graph
+ my %values = %{$values};
+ my ($output,$value,$outputvalue,$valuelongest,$place,$outputplace,$lastvalue,$notdisplayed,$percent,$maxpercent,$graph,$graphlength);
+ # $maxwidth auf minimal 10 setzen und $longest an $maxwidth anpassen
+ if ($maxwidth > 0) {
+ if ($maxwidth < 10) { $maxwidth = 10; };
+ if ($longest > $maxwidth) { $longest = $maxwidth; };
+ };
+ # $lines auf minimal 3 setzen
+ if ($lines > 0 && $lines < 3) { $lines = 3; };
+ # Tabelle ausgeben
+ $lastvalue = 0;
+ foreach $value (sort {$values{$b} <=> $values{$a}} keys %values) {
+ # Prozentzahl berechnen
+ $percent = 100*$values{$value}/$sum;
+ # Platzziffer setzen, ggf. unterdrücken, falls selber Wert wie zuvor
+ $place++; $outputplace = '';
+ if ($lastvalue != $values{$value}) { $outputplace = $place.'.'; };
+ $outputvalue = $value;
+ # Platz 1 hat größten Wert -> höchste Breite für Wertespalte und höchsten Prozentwert ermitteln
+ if ($place == 1) {
+ $valuelongest = length($values{$value});
+ $maxpercent = $percent;
+ };
+ # falls Index zu breit: kürzen und "[...]" anhängen
+ if ($maxwidth > 0 && length($value) > $maxwidth) {
+ $outputvalue = substr($value,0,$maxwidth-5)."[...]";
+ };
+ # Balkengrafik generieren
+ if ($graphwidth > 0) {
+ $graphlength = int($percent*$graphwidth/$maxpercent);
+ $graph = '|'.$config{'graphchar'}x$graphlength.' 'x($graphwidth-$graphlength).'|';
+ } else {
+ $graph = ''
+ };
+ # Zeilen ausgeben, bis maximale Zeilenzahl oder Grenzwert erreicht (in letzterem Fall aber mind. 1 Zeile)
+ if (($lines < 1 || $place <= $lines) && ($cutoff < 1 || $place < 2 || $values{$value} >= $cutoff)) {
+ $output .= ' 'x$indent.sprintf "%4s %-${longest}s: %${valuelongest}s (%5.2f%%) %${graphwide}s\n", $outputplace, $outputvalue, $values{$value}, $percent, $graph;
+ # falls Zeile nicht mehr ausgegeben: mitzählen
+ } else {
+ $notdisplayed++;
+ };
+ $lastvalue = $values{$value};
+ };
+ # "(+ ... weitere)"
+ if (($lines > 0 && $place > $lines) or ($cutoff > 0 && $lastvalue < $cutoff)) {
+ $output .= ' 'x($indent+4)."(+ $notdisplayed weitere";
+ if ($cutoff > 0 || $values{$value} < $cutoff) {
+ $output .= " mit < $cutoff";
+ };
+ $output .= ")\n";
+ };
+ $output .= ' 'x$indent.'-'x(16+$longest+$valuelongest)."\n";
+ $output .= ' 'x($indent+6+$longest).sprintf "%${valuelongest}s ( 100% )\n", $sum;
+ return $output;
+};
+
+sub readconfig {
+ # Konfigurationsdatei auslesen
+ # IN: Name der Konfigurationsdatei
+ # OUT: ---
+ # Globale Variablen, die gesetzt werden:
+ # %config;
+ my $conffile = shift;
+ if (-e $conffile) {
+ open CONFIG, "<$conffile" || print STDERR "ERROR: Could not open config file $conffile for reading: $!";
+ } else {
+ print STDERR "ERROR: Config file $conffile does not exist!\n";
+ return;
+ };
+ while(<CONFIG>) {
+ chomp;
+ s/#.*//;
+ s/^\s+//;
+ s/\s+$//;
+ next unless length;
+ my($option,$value) = split(/\s*=\s*/, $_, 2);
+ $config{$option} = $value;
+ #D print "$option: $value\n;"
+ };
+ close CONFIG;
+ return;
+};
+
+sub mime_decode {
+ # Header mit MIME-Words decodieren
+ # IN: $mimeheader - potentiell codierter Header
+ # OUT: $decoded - decodierte Zeile
+ my $mimeheader = shift;
+ my ($mimeword, $decoded);
+ foreach $mimeword (decode_mimewords($mimeheader)) {
+ my ($data, $encoding) = @{$mimeword};
+ #D printf "Enc: %12s %s \n", $encoding, $data;
+ if ($encoding ne '') {
+ $encoding = uc($encoding);
+ my $convert = Locale::Recode->new (from => $encoding,
+ to => $config{'charset'});
+ print STDERR 'Recode: '.$convert->getError."\n" if $convert->getError;
+ $convert->recode ($data) or print STDERR 'Recode: '.$convert->getError."\n";
+ #D printf " >>> %12s %s \n", $encoding, $data;
+ };
+ $decoded .= $data;
+ };
+ return $decoded;
+};
+
+sub writedata {
+ # --> Perl-Kochbuch, Rezept 11.10
+ # Datendatei (Header) schreiben
+ # IN: $datei - Name der Datendatei
+ # Referenz auf @postings
+ # OUT: ---
+ my $datei = shift;
+ my $postingr = shift;
+ my @postings = @{$postingr};
+ open DATEI, ">$datei" || print STDERR "ERROR: Could not open file $datei for writing: $!";
+ foreach $posting (@postings) {
+ for $header (sort keys %{$posting}) {
+ print DATEI "$header: $posting->{$header}\n";
+ }
+ print DATEI "\n";
+ };
+ close DATEI;
+ return;
+};
+
+sub readdata {
+ # --> Perl-Kochbuch, Rezept 11.10
+ # Datendatei (Header) einlesen
+ # IN: $datei - Name der Datendatei
+ # OUT: Referenz auf @postings, das jeweils
+ # Referenzen auf %header (die Header) enthält
+ my $datei = shift;
+ open DATEI, "<$datei" || print STDERR "ERROR: Could not open file $datei for reading: $!";
+ $/ = '';
+ while (<DATEI>) {
+ my @fields = split /^([^:]+):\s*/m;
+ shift @fields;
+ push(@postings, {map/(.*)/, @fields});
+ };
+ close DATEI;
+ return \@postings;
+};
\ No newline at end of file