I think the functionality you are looking for is provided by vim, not by vi - it would give you the lines where the changes occurred if thats what you are after?
Hi there,
I have a problem here that involves bash script since I was noob in that field. Recently, I have to monitor data involve in logs so I just run command tail -f for the monitoring. The logs was generate every hour so I need to quickly change my logs every time the new hour hits according... (2 Replies)
I would like to monitor a log file using a shell script and as soon as a line with a certain string in it appears I would like to run a program. I have been playing around with doing this using tail -f, but cannot get it to work. I found something similar here:... (1 Reply)
hi All,
how to find a pattern in the log file & display the above and below line
for example in the log file, i have many lines, whenever i search for "Category" it should display the above line with only few parameter like i want only the location name & department name
Thu Jul 02 11:05:23... (2 Replies)
Hi Folks,
I need help in creating a script to monitor a continuously updating log for one particular error. If the the script finds the error it should send out an email.
Thanks for all ur help (2 Replies)
Hi Friends,
I am trying to write a script which continiously monitor one specific error message from a log file. This script should continiously monitor the file for the error and send out the email when detect the error message. I tried the below command but fails. Please help me.
tail -f... (4 Replies)
AM in need of some plugin/script that can monitor HP-UX file "/var/opt/resmon/log/event.log" .
Have written a scrip in sh shell that is working fine for syslog.log and mail.log as having standard format, have interrogated that to Nagios and is working as I required .
But same script failed to... (3 Replies)
This is my log file and this is live log.
Any abnormal error other than following
I need to generate the email.
Log path : /DER/app/admin/ABC/bdump/erg.log
Current log# 2 seq# 103046 mem# 0: /ora2/oradata/ABC/redo02a.log
Current log# 2 seq# 103046 mem# 1:... (1 Reply)
This is my log file and this is live log.
Any abnormal error other than following
I need to generate the email.
Log path : /DER/app/admin/ABC/bdump/erg.log
Current log# 2 seq# 103046 mem# 0: /ora2/oradata/ABC/redo02a.log
Current log# 2 seq# 103046 mem# 1:... (7 Replies)
Hi,
Have written a script to monitor linux non standard log file based on line numbers, so each check store $otalinenum ..
then in next check after 10 minutes it compre the current_total_line_num > last_total_line_num then it will parse the log file from last_total_line_num to... (0 Replies)
Hi,
I need to amend an existing ksh script so that it runs a process (stop weblogic) and in parallel needs to monitor a log file (startup.log) in the background for a certain string (e.g. unable to stop weblogic). If the string appears in the log i need to kill the stop weblogic process.
... (5 Replies)
Discussion started by: dholmaster
5 Replies
LEARN ABOUT DEBIAN
mojo::log
Mojo::Log(3pm) User Contributed Perl Documentation Mojo::Log(3pm)NAME
Mojo::Log - Simple logger
SYNOPSIS
use Mojo::Log;
# Log to STDERR
my $log = Mojo::Log->new;
# Customize log file location and minimum log level
my $log = Mojo::Log->new(path => '/var/log/mojo.log', level => 'warn');
# Log messages
$log->debug("Why isn't this working?");
$log->info("FYI: it happened again");
$log->warn("This might be a problem");
$log->error("Garden variety error");
$log->fatal("Boom!");
DESCRIPTION
Mojo::Log is a simple logger for Mojo projects.
EVENTS
Mojo::Log can emit the following events.
"message"
$log->on(message => sub {
my ($log, $level, @messages) = @_;
...
});
Emitted when a new message gets logged.
$log->unsubscribe('message');
$log->on(message => sub {
my ($log, $level, @messages) = @_;
say "$level: ", @messages;
});
ATTRIBUTES
Mojo::Log implements the following attributes.
"handle"
my $handle = $log->handle;
$log = $log->handle(IO::Handle->new);
Log file handle used by default "message" event, defaults to opening "path" or "STDERR".
"level"
my $level = $log->level;
$log = $log->level('debug');
Active log level, defaults to the value of the "MOJO_LOG_LEVEL" environment variable or "debug".
These levels are currently available:
"debug"
"info"
"warn"
"error"
"fatal"
"path"
my $path = $log->path
$log = $log->path('/var/log/mojo.log');
Log file path used by "handle".
METHODS
Mojo::Log inherits all methods from Mojo::EventEmitter and implements the following new ones.
"new"
my $log = Mojo::Log->new;
Construct a new Mojo::Log object and subscribe to "message" event with default logger.
"debug"
$log = $log->debug('You screwed up, but that is ok');
Log debug message.
"error"
$log = $log->error('You really screwed up this time');
Log error message.
"fatal"
$log = $log->fatal('Its over...');
Log fatal message.
"format"
my $message = $log->format('debug', 'Hi there!');
my $message = $log->format('debug', 'Hi', 'there!');
Format log message.
"info"
$log = $log->info('You are bad, but you prolly know already');
Log info message.
"is_level"
my $success = $log->is_level('debug');
Check log level.
"is_debug"
my $success = $log->is_debug;
Check for debug log level.
"is_error"
my $success = $log->is_error;
Check for error log level.
"is_fatal"
my $success = $log->is_fatal;
Check for fatal log level.
"is_info"
my $success = $log->is_info;
Check for info log level.
"is_warn"
my $success = $log->is_warn;
Check for warn log level.
"log"
$log = $log->log(debug => 'This should work');
Emit "message" event.
"warn"
$log = $log->warn('Dont do that Dave...');
Log warn message.
SEE ALSO
Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.
perl v5.14.2 2012-09-05 Mojo::Log(3pm)