gecko-dev/webtools/mozbot/mozbot.pl

1079 lines
25 KiB
Perl
Executable File

#!/usr/bonsaitools/bin/perl5 -w
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public License
# Version 1.0 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
# License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are Copyright (C) 1998
# Netscape Communications Corporation. All Rights Reserved.
#
# Contributor(s): Harrison Page <harrison@netscape.com>
# Terry Weissman <terry@mozilla.org>
#
# mozbot.pl harrison@netscape.com 10/14/98
# "irc bot for the gang on #mozilla"
#
# features: reports tinderbox status upon request.
# remembers urls. tells you the phase of the moon.
# grabs mozillaZine headlines. fetches slashdot.org
# news. bot will auto-op based on nick and remote host.
#
# hack on me! required reading:
#
# Net::IRC web page:
# http://netirc.betterbox.net/
# (free software)
# or get it from CPAN @ http://www.perl.com/CPAN
#
# RFC 1459 (Internet Relay Chat Protocol):
# http://sunsite.cnlab-switch.ch/ftp/doc/standard/rfc/14xx/1459
$SIG{'INT'} = 'killed';
$SIG{'KILL'} = 'killed';
$SIG{'TERM'} = 'killed';
use strict;
use diagnostics;
use lib ".";
use Net::IRC;
use LWP::Simple;
use Tinderbox;
use Carp;
use Chatbot::Eliza;
$|++;
my $VERSION = "1.35"; # keep me in sync with the mozilla.org cvs repository
my $debug = 1; # debug output also includes warnings, errors
my %msgcmds = (
"url" => \&bot_urls,
);
my %pubcmds = (
"(help|about)" => \&bot_about,
"(hi|hello|lo|sup)" => \&bot_hi,
"moon" => \&bot_moon,
"up" => \&bot_up,
"(trees|tree)" => \&bot_tinderbox,
"debug" => \&bot_debug,
"stocks" => \&bot_stocks,
);
my %admincmds = (
"bless" => \&bot_bless,
"unbless" => \&bot_unbless,
"shutdown" => \&bot_shutdown,
"say" => \&bot_say,
"list" => \&bot_list,
);
my %rdfcmds = (
"(slashdot|sd|\/\.)" => "http://www.slashdot.org/slashdot.rdf",
"(mozillaorg|mozilla|mo)" => "http://www.mozilla.org/news.rdf",
"(newsbot|nb)" => "http://www.mozilla.org/newsbot/newsbot.rdf",
"(xptoolkit|xpfe)" => "http://www.mozilla.org/xpfe/toolkit.rdf",
"(freshmeat|fm)" => "http://freshmeat.net/files/freshmeat/fm.rdf",
"(mozillazine|zine|mz)" => "http://www.mozillazine.org/contents.rdf",
);
my %rdf_title;
my %rdf_link;
my %rdf_last;
my %rdf_items;
@::origargv = @ARGV;
my $server = shift;
my $port = shift;
my $nick = shift;
my $channel = shift;
my $stockf = "stocklist";
my %stocklist = ();
my %stockvals = ();
my %stockhist;
$server = $server || "irc.mozilla.org";
$port = $port || "6667";
$nick = $nick || "mozbot";
$channel = $channel || "#mozilla";
&debug ("mozbot $VERSION starting up");
LoadStockList();
&create_pid_file;
# read admin list
my %admins = ( "sar" => "netscape.com", "terry" => "netscape.com" );
my $adminf = ".mozbot-admins";
&fetch_admin_conf (\%admins);
my $uptime = 0;
$::moon = "./moon";
$::moon = (-f $::moon) ? $::moon : "";
delete $pubcmds{'moon'} if (! $::moon);
my $phase;
my $last_moon = 0;
# leave @trees empty if you don't want tinderbox details
my @trees = qw (SeaMonkey);
if ($nick =~ /grend/) {
@trees = qw (Grendel);
}
my $trees;
my $status;
my $last_tree;
my %broken;
my @urls;
my $greet = 0;
my @greetings =
(
"g'day", "bonjour", "guten tag", "moshi, moshi",
"hello", "hola", "hi", "buono giorno", "aloha",
"hey", "'sup", "lo", "howdy", "saluton", "hei",
"hallo", "word", "yo yo yo", "rheeet", "bom dia",
"ciao"
);
my $irc = new Net::IRC or confess "$0: duh?";
my $bot = $irc->newconn
(
Server => $server,
Port => $port,
Nick => $nick,
Ircname => "mozilla.org bot/thing $VERSION",
Username => $nick,
)
or die "$0: can't connect to $server, port $port";
&debug ("adding global handlers");
$bot->add_global_handler ([ 251,252,253,254,302,255 ], \&on_startup);
$bot->add_global_handler (376, \&on_connect);
$bot->add_global_handler (433, \&on_nick_taken);
$bot->add_global_handler ([ 'disconnect', 'kill', 474, 465 ], \&on_boot);
&debug ("adding more handlers");
$bot->add_handler ('msg', \&on_msg);
$bot->add_handler ('public', \&on_public);
$bot->add_handler ('join', \&on_join);
&debug ("scheduling stuff");
$bot->schedule (0, \&tinderbox);
$bot->schedule (0, \&checksourcechange);
$bot->schedule (0, \&stocks);
foreach my $i (keys %rdfcmds) {
$bot->schedule(0, \&rdfchannel, $rdfcmds{$i});
$pubcmds{$i} = $rdfcmds{$i};
}
&debug ("connecting to $server $port as $nick on $channel");
# and done.
# Use this routine, always, instead of the standard "privmsg" routine. This
# one makes sure we don't send more than one message every two seconds or so,
# which will make servers not whine about us flooding the channel.
#
# Actually, it seems that we can send two in a row just fine, but at that
# point we should start throttling.
my $lastsenttime = 0;
my @msgqueue = ();
sub sendmsg {
my ($who, $msg) = (@_);
my $now = time();
if ($now > $lastsenttime && 0 == @msgqueue) {
$bot->privmsg($who, $msg);
$lastsenttime = $now;
} else {
push(@msgqueue, [$who, $msg]);
if (1 == @msgqueue) {
$bot->schedule(0, \&drainmsgqueue);
}
}
}
sub drainmsgqueue {
if (0 < @msgqueue) {
my ($who, $msg) = (@{shift(@msgqueue)});
$bot->privmsg($who, $msg);
$lastsenttime = time();
if (0 < @msgqueue) {
$bot->schedule(2, \&drainmsgqueue);
}
}
}
################################
# Net::IRC handler subroutines #
################################
sub on_startup
{
my ($self, $event) = @_;
my (@args) = ($event->args);
shift (@args);
&debug ("@args\n");
}
sub on_connect
{
my $self = shift;
&debug ("startup took " . (time - $^T) . " seconds");
$self->join ($channel);
$uptime = time;
}
# on_nick_taken: or do something smarter
sub on_nick_taken
{
die "hey! somebody took my nick!";
}
sub do_command {
my ($hashref, $nick, $cmd, $rest) = (@_);
foreach my $m (keys %$hashref) {
if ($cmd =~ m/^$m$/) {
my $ref = $hashref->{$m};
if (ref($ref)) {
&{$ref} ($nick, $cmd, $rest);
} else {
bot_rdfchannel($nick, $cmd, $rest, $ref);
}
return 1;
}
}
return 0;
}
# on_msg: private message received via /msg
sub on_msg {
my ($self, $event) = @_;
my ($nick) = $event->nick;
my ($arg) = $event->args;
my @arglist = split(' ', $arg);
my $cmd = shift @arglist;
my $rest = join(' ', @arglist);
$::speaker = $nick; # Hack!!!
if (exists $admins{$nick}) {
if (do_command(\%admincmds, $nick, $cmd, $rest)) {
return;
}
}
if (do_command(\%pubcmds, $nick, $cmd, $rest)) {
return;
}
if (do_command(\%msgcmds, $nick, $cmd, $rest)) {
return;
}
do_unknown($nick, $cmd, $rest);
}
sub bot_bless {
my ($nick, $cmd, $rest) = (@_);
my ($who, $where) = split(' ', $rest);
if (! $who or ! $where) {
sendmsg($nick, "usage: bless [ user ] [ host ] " .
"(example: bless marca netscape.com)");
return;
}
$admins{$who} = $where;
&debug ("$nick blessed $who ($where)");
&store_admin_conf (\%admins);
sendmsg($nick, "mozbot admins: " . join ' ', (sort keys %admins));
}
sub bot_unbless {
my ($nick, $cmd, $rest) = (@_);
my ($who) = ($rest);
if (exists ($admins{$who})) {
delete $admins{$who};
&debug ("$nick unblessed $who");
&store_admin_conf (\%admins);
sendmsg($nick, "mozbot admins: " . join ' ', (sort keys %admins));
return;
}
sendmsg($nick, "Can only unbless one of: " .
join(' ', (sort keys %admins)));
}
sub bot_shutdown {
my ($nick, $cmd, $rest) = (@_);
if ($rest ne "yes") {
sendmsg($nick, "usage: shutdown yes");
return;
}
&debug ("forced shutdown from $nick");
$::dontQuitOnSignal++;
$bot->quit ("$nick told me to shutdown");
exit (0);
}
sub bot_say {
my ($nick, $cmd, $rest) = (@_);
my $text = $rest;
if ($text =~ m@^/me (.*)@) {
$bot->me($channel, $1);
} else {
sendmsg($channel, $text);
}
}
sub bot_list {
my ($nick, $cmd, $rest) = (@_);
my @list;
foreach (sort keys %admins) {
push(@list, "$_ $admins{$_}");
}
my $spacer = " ... ";
saylongline($nick, join($spacer, @list), $spacer);
}
sub on_public {
my ($self, $event) = @_;
my ($to) = $event->to;
my ($arg) = $event->args;
my ($nick, $me) = ($event->nick, $self->nick);
$::speaker = $nick; # Hack!!!
# catch urls, stick them in a list for mozbot's url command
if ($arg =~ /(http|ftp|gopher):/i && $nick ne $me) {
push @urls, "$arg (" . &logdate() . ")";
while ($#urls > 10) {
shift @urls;
}
}
if (my ($cmd, $rest) = $arg =~ /^$me[:,]?\s+(\S+)(?:\s+(.*))?$/i) {
if (do_command(\%pubcmds, $channel, $cmd, $rest)) {
return;
} else {
do_unknown($channel, $cmd, $rest);
}
}
}
sub do_unknown {
my ($nick, $cmd, $rest) = (@_);
if (!defined $::eliza) {
$::eliza = new Chatbot::Eliza;
}
my $result = $::eliza->transform("$cmd $rest");
sendmsg($nick, $result);
}
sub saylongline {
my ($nick, $str, $spacer) = (@_);
my $MAXPROTOCOLLENGTH = 255;
while (length ($str) > $MAXPROTOCOLLENGTH) {
my $pos;
$pos = rindex($str, $spacer, $MAXPROTOCOLLENGTH - length($spacer));
if ($pos < 0) {
$pos = rindex($str, " ", $MAXPROTOCOLLENGTH - 1);
if ($pos < 0) {
$pos = $MAXPROTOCOLLENGTH - 1;
}
}
sendmsg($nick, substr($str, 0, $pos));
$str = substr($str, $pos);
if (index($str, $spacer) == 0) {
$str = substr($str, length($spacer));
}
}
if ($str ne "") {
sendmsg($nick, $str);
}
}
sub do_headlines {
my ($nick, $header, $ref) = (@_);
my $spacer = " ... ";
my $str = $header . ": " . join($spacer, @$ref);
saylongline($nick, $str, $spacer);
}
sub reportDiffs {
my ($name, $url, $ref) = (@_);
my $firsttime = 0;
if (!exists $::headCache{$url}) {
$firsttime = 1;
$::headCache{$url} = {};
}
my $spacer = " ... ";
my $outstr = "";
foreach my $i (@$ref) {
if ($i =~ /^last update/) {
next;
}
if (!exists $::headCache{$url}->{$i}) {
$::headCache{$url}->{$i} = 1;
if ($outstr eq "") {
$outstr = "Just appeared in $name ($url): ";
} else {
$outstr .= $spacer;
}
$outstr .= $i;
}
}
if (!$firsttime) {
saylongline($channel, $outstr, $spacer);
}
}
sub bot_debug
{
my ($nick, $cmd, $rest) = (@_);
my @list;
my %last =
(
"tinderbox" => $last_tree,
"moon" => $last_moon,
);
foreach (keys %last)
{
if ($last{$_} != 0)
{
push @list, "$_ updated: " . &logdate ($last{$_}) . ", " .
&days ($last{$_});
}
else
{
push @list, "$_ never updated!";
}
}
foreach (sort(keys %rdf_last)) {
push @list, "$_ updated: " . logdate($rdf_last{$_}) . ", " .
days($rdf_last{$_});
}
do_headlines ($nick, "Boring Debug Information", \@list);
}
sub bot_rdfchannel {
my ($nick, $cmd, $rest, $url) = (@_);
if (defined $rdf_title{$url}) {
do_headlines($nick, "Items in $rdf_title{$url} ($rdf_link{$url})",
$rdf_items{$url});
} else {
sendmsg($nick, "Nothing has been found yet at $url");
}
}
sub bot_hi {
my ($nick, $cmd, $rest) = (@_);
sendmsg($nick, $greetings[$greet++] . " $::speaker");
$greet = 0 if ($greet > $#greetings);
}
sub on_join
{
my ($self, $event) = @_;
my ($channel) = ($event->to)[0];
my $nick = $event->nick;
my $userhost = $event->userhost;
# auto-op if user is a mozbot admin and coming in from
# the right host
if (exists $admins{$nick} && $userhost =~ /$admins{$nick}$/i)
{
$self->mode ($channel, "+o", $nick);
&debug ("auto-op for $nick on $channel");
}
}
$::dontQuitOnSignal = 0;
sub on_boot
{
if (!$::dontQuitOnSignal) {
die "$0: disconnected from network";
}
}
sub listcmds {
my ($hashref) = (@_);
my @list;
foreach my $k (keys %$hashref) {
if ($k =~ m/^\(([a-z]+)\|/) {
push @list, $1;
} else {
push @list, $k;
}
}
return join(' ', sort(@list));
}
################
# bot commands #
################
# bot_about: it's either an about box or the
# address of the guy to blame when the bot
# breaks
sub bot_about {
my ($nick, $cmd, $rest) = @_;
sendmsg($::speaker, "i am mozbot version $VERSION. hack on me! " .
"harrison\@netscape.com 10/16/98. " .
"connected to $server since " .
&logdate ($uptime) . " (" . &days ($uptime) . "). " .
"see http://cvs-mirror.mozilla.org/webtools/bonsai/cvsquery.cgi?branch=HEAD&file=mozilla/webtools/mozbot/&date=week " .
"for a changelog.");
sendmsg($::speaker, "Known commands are: " .
listcmds(\%pubcmds));
sendmsg($::speaker, "If you /msg me, I'll also respond to: " .
listcmds(\%msgcmds));
if (exists $admins{$::speaker}) {
sendmsg($::speaker, "And you're an admin, so you can also do: " .
listcmds(\%admincmds));
}
if ($nick eq $channel) {
sendmsg($nick,
"[ Directions on talking to me have been sent to $::speaker ]");
}
}
# bot_moon: goodnight moon
sub get_moon_str
{
return "- no moon -" if (! defined $::moon);
return $phase if ($phase && (time - $last_moon > (60 * 60 * 24)));
# we only want to run this once/day
$phase = `$::moon`;
$last_moon = time;
return $phase;
}
sub bot_moon {
my ($nick, $cmd, $rest) = @_;
sendmsg($nick, get_moon_str());
}
# bot_up: report uptime
sub bot_up {
my ($nick, $cmd, $rest) = @_;
sendmsg($nick, &logdate ($uptime) . " (" . &days ($uptime) . ")");
}
# bot_urls: show last ten urls caught by mozbot
sub bot_urls {
my ($nick, $cmd, $rest) = @_;
if ($#urls == -1) {
sendmsg($nick, "- mozbot has seen no URLs yet -");
} else {
foreach my $m (@urls) {
sendmsg($nick, $m);
}
}
}
# show tinderbox status
#
# this is a messy little function but it works.
sub bot_tinderbox {
my ($nick, $cmd, $rest) = @_;
my $bustage;
my $buf;
my @buf;
my @tree;
my $terse = (defined $rest && $rest eq "all");
if ($nick eq $channel) {
$terse = 1;
}
# user can supply a list of trees separated
# by whitespace, default is all trees
push @tree, $rest ? (split /\s+/, $rest) : @trees;
# loop through requested trees
push @buf, "Tinderbox status from http://cvs-mirror.mozilla.org/webtools/tinderbox/showbuilds.cgi";
foreach my $t (@tree)
{
$bustage = 0;
$buf = "$t " . ($$status{$t} ? "<$$status{$t}> " : "") . ": ";
# politely report failures
if (! exists $$trees{$t})
{
$buf .= "unknown tree \"$t\", trees include @trees. ";
}
else
{
foreach my $e (sort keys %{$$trees{$t}})
{
next if ($terse && $$trees{$t}{$e} ne "Horked");
$buf .= "[$e: $$trees{$t}{$e}] ";
$bustage++;
}
}
$buf .= "- no known bustage -" if (! $bustage);
push @buf, $buf;
}
$buf = $buf ||
"something broke. report a bug here: " .
"http://bugzilla.mozilla.org/enter_bug.cgi " .
"with product of Webtools and component set to Mozbot";
push @buf, "last update: " .
&logdate ($last_tree) . " (" . &days ($last_tree) . " ago)";
foreach my $m (@buf) {
sendmsg($nick, $m);
}
}
#############
# utilities #
#############
sub debug
{
return if (! $debug);
foreach (@_)
{
chomp;
print &logdate() . " $_ [$$]\n";
}
}
# logdate: return nice looking date (10/16/98 18:29)
sub logdate
{
my $t = shift;
$t = time unless ($t);
my ($sec,$min,$hour,$mday,$mon,$year) = localtime ($t);
return sprintf ("%02d/%02d/%02d %02d:%02d",
$mon + 1, $mday, $year, $hour, $min);
}
# days: how long ago was that?
sub days
{
my ($then) = shift;
my $seconds = time - $then;
my $minutes = int ($seconds / 60);
my $hours = int ($minutes / 60);
my $days = int ($hours / 24);
if ($seconds < 60)
{ return (sprintf "%d second%s", $seconds, $seconds == 1 ? "" : "s"); }
elsif ($minutes < 60)
{ return (sprintf "%d minute%s", $minutes, $minutes == 1 ? "" : "s"); }
elsif ($hours < 24)
{ return (sprintf "%d hour%s", $hours, $hours == 1 ? "" : "s"); }
else
{ return (sprintf "%d day%s", $days, $days == 1 ? "" : "s"); }
}
# signal handler
sub killed
{
confess "i have received a signal of some manner. good night.\n\n";
}
# write admin list
sub store_admin_conf
{
my $admins = shift;
my $when = localtime (time) . " by $$";
if (open ADMINS, ">$adminf")
{
print ADMINS <<FIN;
# mozbot admin list file
#
# this file is generated. do not edit.
# generated $when
#
# version: 1.0
FIN
foreach (sort keys %admins)
{
print ADMINS "$_ $admins{$_}\n";
}
close ADMINS;
}
else
{
&debug ("&store_admin_conf $adminf: $!");
}
}
# fetch list of admins
sub fetch_admin_conf
{
my $admins = shift;
if (open ADMINS, $adminf)
{
while (<ADMINS>)
{
chomp;
next if ($_ =~ /^#/ or ! $_);
my ($user, $host) = split /\s+/, $_;
$$admins{$user} = $host;
}
&debug ("admins: " . keys %$admins);
}
else
{
&debug ("&fetch_admin_conf $adminf: $!");
}
close ADMINS;
}
# create a pid file if we can
sub create_pid_file
{
my $pid = ".mozbot-pid";
if (open PID, ">$pid")
{
print PID "$$\n";
close PID;
}
else
{
&debug ("warning: problem creating pid file: $pid, $!");
}
}
sub rdfchannel {
my ($foo, $url) = (@_);
debug("fetching rdfchannel $url");
$bot->schedule(60*60, \&rdfchannel, $url);
my $output = get $url;
$rdf_last{$url} = time();
return if (!$output);
my $channelpart = "";
if ($output =~ s@<channel>.*</channel>@@si) {
$channelpart = $&;
}
$output =~ s@<image>.*</image>@@si;
$rdf_title{$url} = $url;
if ($channelpart =~ m@<title>(.+?)</title>@si) {
$rdf_title{$url} = trim($1);
}
$rdf_link{$url} = $url;
if ($channelpart =~ m@<link>(.+?)</link>@si) {
$rdf_link{$url} = trim($1);
}
my @list;
while ($output =~ m@<title>(.+?)</title>@sig) {
push(@list, $1);
}
$rdf_items{$url} = \@list;
reportDiffs($rdf_title{$url}, $rdf_link{$url}, \@list);
}
# fetch tinderbox details
sub tinderbox
{
&debug ("fetching tinderbox status");
my ($newtrees, $newstatus) = Tinderbox::status (\@trees);
if (! $newtrees)
{
$bot->schedule (90, \&tinderbox);
&debug ("hmm, couldn't get tinderbox status");
return;
}
$last_tree = time;
if (defined $status)
{
foreach my $s (keys %$newstatus)
{
if (defined $$newstatus{$s} && $$status{$s} ne $$newstatus{$s})
{
sendmsg($channel,
"$s changed state from $$status{$s} to $$newstatus{$s}");
}
}
}
if (defined $trees) {
foreach my $t (@trees) {
foreach my $e (sort keys %{$$newtrees{$t}}) {
if (!defined $$trees{$t}{$e}) {
sendmsg($channel, "$t: A new column '$e' has appeared ($$newtrees{$t}{$e})");
} else {
if ($$trees{$t}{$e} ne $$newtrees{$t}{$e}) {
sendmsg($channel, "$t: '$e' has changed state from $$trees{$t}{$e} to $$newtrees{$t}{$e}");
}
}
}
}
}
$trees = $newtrees;
$status = $newstatus;
$bot->schedule (360, \&tinderbox);
}
# See if someone has changed our source.
sub checksourcechange {
my ($self) = @_;
my $lastourdate = $::ourdate;
my $lasttinderboxdate = $::tinderboxdate;
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,$blksize,$blocks)
= stat("./mozbot.pl");
$::ourdate = $mtime;
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,$blksize,$blocks)
= stat("./Tinderbox.pm");
$::tinderboxdate = $mtime;
if (defined $lastourdate &&
($::ourdate > $lastourdate ||
$::tinderboxdate > $lasttinderboxdate)) {
$::dontQuitOnSignal = 1;
$self->quit("someone seems to have changed my source code. Be right back");
&debug ("restarting self");
exec "$0 @::origargv";
}
$bot->schedule (60, \&checksourcechange);
}
sub stocks {
$bot->schedule(15 * 60, \&stocks);
my $url = "http://quote.yahoo.com/d/quotes.csv?f=sl1d1t1c1ohgv&e=.csv&s=" .
join("+", sort(keys %stocklist));
&debug ("fetching stock quotes $url");
my $output = get $url;
return if (!$output);
%stockvals = ();
foreach my $line (split(/\n/, $output)) {
my @list = split(/,/, $line);
my $name = shift(@list);
$name =~ s/"(.*)"/$1/;
&debug ("parsing stock quote $name ($list[0]) $line");
$stockvals{$name} = \@list;
foreach my $ref (@{$stockhist{$name}}) {
my $oldval = $ref->[0];
my $newval = $list[0];
my $ratio = $newval / $oldval;
if ($ratio > 1.05 || $ratio < 0.95) {
foreach my $who ($stocklist{$name}) {
ReportStock($who, $name, "Large Stock Change");
}
$stockhist{$name} = [];
last;
}
}
if (!exists $stockhist{$name}) {
$stockhist{$name} = [];
}
push (@{$stockhist{$name}}, \@list);
while (30 < @{$stockhist{$name}}) {
shift @{$stockhist{$name}};
}
}
}
sub LoadStockList {
%stocklist = ("AOL" => [$channel],
"^DJI" => [$channel],
"^IXIC" => [$channel]);
if (open(LIST, $stockf)) {
%stocklist = ();
while (<LIST>) {
my @list = split(/\|/, $_);
my $name = shift(@list);
$stocklist{$name} = \@list;
}
}
}
sub FracStr {
my ($num, $needplus) = (@_);
my $sign;
if ($num < 0) {
$sign = "-";
$num = - $num;
} else {
$sign = $needplus ? "+" : "";
$num =~ s/^\+//;
}
my $orignum = $num;
my $bdot = int($num);
my $adot = $num - $bdot;
if ($adot == 0) {
return "$sign$bdot";
}
my $base = 64;
$num = int($adot * $base);
while ($num % 2 == 0 && $base > 1) {
$base /= 2;
$num /= 2;
}
if ($adot == $num / $base) {
if ($bdot == 0) {
$bdot = "";
} else {
$bdot .= " ";
}
return "$sign$bdot$num/$base";
}
return "$sign$orignum";
}
sub ReportStock {
my ($nick, $name, $title) = (@_);
if ($title ne "") {
$title .= ": ";
}
my $ref = $stockvals{$name};
my $a = FracStr($ref->[0], 0);
my $b = FracStr($ref->[3], 1);
sendmsg($nick, "$title$name at $a ($b)");
}
sub bot_stocks {
my ($nick, $cmd, $rest) = (@_);
foreach my $name (sort(keys %stocklist)) {
foreach my $who (@{$stocklist{$name}}) {
if ($who eq $nick || $who eq $channel) {
ReportStock($nick, $name, "");
}
}
}
}
sub trim {
($_) = (@_);
s/^\s+//g;
s/\s+$//g;
return $_;
}
# Do this at the very end, so we can intersperse "my" initializations outside
# of routines above and be assured that they will run.
$irc->start;