#!/usr/bin/perl
# Filename:      logview
# Purpose:       Log viewer program. Pass it parameters of the logs to view, or it will automatically view some.
# Authors:       Joey Hess <joey@kitenet.net>
# Bug-Reports:   see http://grml.org/bugs/
# License:       Unknown (origin: see http://svn.kitenet.net/trunk/bin/logview)
################################################################################

$|=1;

$logdir='/var/log';
@logfiles=@ARGV;

# If I am root, look at all logs, otherwise only those that are
# world-readable.
my $perm='';
$perm='-perm +6' if $? != 0;
if (! @logfiles) {
	@logfiles=split /\n/, `find $logdir -type f -regex '.*.log' ! -name faillog ! -name lastlog $perm`;
	push @logfiles, "$logdir/mail.err", "$logdir/mail.warn";
}

if (-e $ENV{HOME}."/.xsession-errors") {
	push @logfiles, $ENV{HOME}."/.xsession-errors";
}

# Tail without wasting the last line of the screen.
open(TAIL, "tail -q --follow=name --retry -n 2 @logfiles|");
while (<TAIL>) {
	print "\n";
	chomp;
	print $_;
}

## END OF FILE #################################################################