/usr/share/irssi/scripts/chanpeak.pl is in irssi-scripts 20100512.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# chanpeak.pl (last update 05/09/2001)
#
# by Bjoern 'fuchs' Krombholz
# for irssi v0.7.99
#
# History:
# * 0.2.1 remove spaces from /chanpeak arg's end
# * 0.2.0 !-channel support
# * 0.1.3 bug fix args evaluation
# * 0.1.2 bad bug with delimiters in file
# * 0.1.1 automatically choose active channel; use strict
# * 0.1.0 initial release
#
# TODO:
# * delete records
#####
use strict;
use vars qw($VERSION %IRSSI);
use Irssi;
$VERSION = "0.2.2";
%IRSSI = (
authors => "Bjoern \'fuchs\' Krombholz",
contact => "bjkro\@gmx.de",
name => "chanpeak",
license => "Public Domain",
description => "Log maximum number of people ever been in a channel",
changed => "Wed Jun 2 17:00:00 CET 2002",
changes => "added header, removed debugging outputs"
);
# path to peak data file
my $peakfile = "$ENV{HOME}/.irssi/peak.data";
# automatically save peak data file on every new peak
my $peak_autosave = 1;
# just for debugging purposes
my $peak_DEBUG = 0;
#################################################
my %chanpeak;
###
# Remove channel ID for !-channels
sub sub_chan {
my $chan = @_[0];
$chan =~ s/^\!\w{5}?/\!/;
return $chan;
}
###
# Print some help
sub help_chanpeak {
Irssi::print("No peak record found");
Irssi::print("\nCHANPEAK [<channel>[@<chatnet>]]\n", MSGLEVEL_CLIENTCRAP);
Irssi::print("Shows user peak for <channel>.\n", MSGLEVEL_CLIENTCRAP);
Irssi::print("If your current window is a channel window,\n".
"print this channel's peak if <channel>\nomitted.",
MSGLEVEL_CLIENTCRAP);
Irssi::print("Prints matching <channel> peaks of all\n".
"ChatNets if <chatnet> omitted.\n", MSGLEVEL_CLIENTCRAP);
}
###
# Output requested peak
sub cmd_chanpeak {
my ($data, $server, $channel) = @_;
my ($chan, $tag) = split(/@/, lc($data));
$chan =~ s/ *$//;
my $key;
$chan = sub_chan($chan);
if ($chan eq "" && Irssi::active_win()->{active}->{type} eq "CHANNEL") {
$chan = sub_chan( lc(Irssi::active_win()->{active}->{name}) );
$tag = lc(Irssi::active_win()->{active}->{server}->{tag});
Irssi::active_win()->{active}->print("Peak for ".$chan."@".$tag.": ".
$chanpeak{$chan}{$tag}{peak}." (".
localtime($chanpeak{$chan}{$tag}{date}).")");
return 0;
} elsif (exists $chanpeak{$chan}) {
foreach $key (keys %{$chanpeak{$chan}}) {
if ($key eq $tag || $tag eq "") {
Irssi::print("Peak for ".$chan."@".$key.": ".
$chanpeak{$chan}{$key}{peak}." (".
localtime($chanpeak{$chan}{$key}{date}).")");
}
}
return 0;
} else {
help_chanpeak();
return 0;
}
}
###
# Save peak records to file
sub cmd_savepeak {
my ($chan, $key, $tag);
if ( !open(PEAKDATA, '>', $peakfile) ) {
Irssi::print("Chanpeak: Could not create datafile ".$peakfile);
return 1;
}
foreach $chan (keys %chanpeak) {
foreach $tag (keys %{$chanpeak{$chan}}) {
print (PEAKDATA $chan." ".$tag." ".$chanpeak{$chan}{$tag}{peak}." ".
$chanpeak{$chan}{$tag}{date}."\n");
}
}
Irssi::print("Chanpeak: Saved peak data to ".$peakfile) if ( $peak_DEBUG );
close PEAKDATA;
}
###
# Update peak record
sub update_peakrec {
my $channel = @_[0];
my $chan = lc($channel->{name});
my $tag = lc($channel->{server}->{tag});
my @nicks = $channel->nicks();
my $peak = @nicks;
$chan = sub_chan($chan);
if (!exists $chanpeak{$chan}{$tag}{peak}
|| $peak > $chanpeak{$chan}{$tag}{peak}) {
$chanpeak{$chan}{$tag}{peak} = $peak;
$chanpeak{$chan}{$tag}{date} = time();
Irssi::print("New peak in ".$chan."@".$tag." : ".$peak);
if ($peak_autosave) {
cmd_savepeak();
}
}
}
###
# Read data file and initialize already joined channels
sub init_chanpeak {
my ($chan, $channel, $date, $line, $peak, $tag);
if ( !open(PEAKDATA, '<', $peakfile) ) {
Irssi::print('Chanpeak: datafile not found, creating...');
if ( !open(PEAKDATA, '>', $peakfile) ) {
Irssi::print('Chanpeak: Couldn\'t create datafile `'.$peakfile.'\'!');
return 1;
}
close PEAKDATA;
} else {
my @lines = <PEAKDATA>;
foreach $line (@lines) {
if ($line eq "\n") {
next;
}
$line =~ s/\n//;
($chan, $tag, $peak, $date) = split(/ /, $line, 4);
$chanpeak{$chan}{$tag}{peak} = $peak;
$chanpeak{$chan}{$tag}{date} = $date;
}
close PEAKDATA;
}
foreach $channel (Irssi::channels()) {
$chan = lc($channel->{name});
update_peakrec($channel);
}
}
init_chanpeak();
Irssi::signal_add('channel sync', 'update_peakrec');
Irssi::signal_add_last('massjoin', 'update_peakrec');
Irssi::command_bind('chanpeak', 'cmd_chanpeak', 'chanpeak commands');
Irssi::command_bind('savepeak', 'cmd_savepeak', 'chanpeak commands');
Irssi::command_bind('quit', 'cmd_savepeak');
Irssi::command_bind('save', 'cmd_savepeak');
Irssi::print("chanpeak.pl loaded...");
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