DAve wrote:
I would love to have a way to tail a log, like piping to grep, except I
see every line and the lines I would normally grep for are highlighted.
That would be cool. Anyone know of a bash command or tool that will do
this?
Side note, I am tailing sendmail after changes to my outbound queue
runners. I want to highlight my sm-mta-out lines but still see all lines.
A little late to the party now, but the following Perl script will
'highlight' the lines containing $pattern with a blank line above and
below, surrounded by ****. The lines not matching will be printed
normally. Note, File::Tail must be installed:
#!/usr/bin/perl
# grep.pl
use warnings;
use strict;
use File::Tail;
my $pattern = "submission";
my $log = "/var/log/maillog";
my $ref=tie *FH,"File::Tail",(name=>$log, maxinterval=>3);
while (<FH>) {
if ($_ =~ /$pattern/) {
chop ($_);
print "\n**** $_ ****\n\n";
} else {
print "$_";
}
}
pearl# ./grep.pl
**** Aug 22 11:30:45 pearl vpopmail[65893]: vchkpw-submission:
(CRAM-MD5) login
success [EMAIL PROTECTED]:2607_f118__5 ****
Aug 22 11:31:19 pearl spamd[32860]: spamd: connection from localhost
[127.0.0.1]
at port 57092
Aug 22 11:31:19 pearl spamd[32860]: spamd: processing message
<6e3e383b080822071
[EMAIL PROTECTED]> for
[EMAIL PROTECTED]:58
**** Aug 22 11:31:46 pearl vpopmail[66048]: vchkpw-submission:
(CRAM-MD5) login success [EMAIL PROTECTED]:2607_f118__5 ****
Aug 22 11:31:56 pearl spamd[95770]: prefork: child states: II
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