I have a few large files that need to have a ,A appended to the end of each record. I though about using sed but never used it before and the man is not intuitive nor have I found examples.
This is what I tried for file name bob
sed '\a,A' bob
from what I get if you do not supply a range... (1 Reply)
Hi all,
I did some searching in this forum but can't find anything that matches the issue I'm bumping heads with.
On a CentOS4/Postfix (and bash everywhere) mail gateway box I run a command periodically to purge the Postfix queue of messages "From:MAILER-DAEMON".
This is the one line'r... (6 Replies)
Hey All
Can any one please suggest the procedure to search a part of line in a very large file in which log entries are entered with very high speed.
i have trued with grep and egrep
grep 'text text text' <file-name>
egrep 'text text text' <file-name>
here 'text text text' is... (4 Replies)
Hi guys,
i have a really big file, and i want to remove a specific line.
sed -i '5d' fileThis doesn't really work, it takes a lot of time...
The whole script is supposed to remove every word containing less than 5 characters and currently looks like this:
#!/bin/bash
line="1"... (2 Replies)
I have an extremely large csv file that I need to search the second field, and upon matches update the last field...
I can pull the line with awk.. but apparently you cant use awk to directly update the file? So im curious if I can use sed to do this... The good news is the field I want to... (5 Replies)
Hi Forum.
I was trying to search the following scenario on the forum but was not able to.
Let's say that I have a very large file that has some bad data in it (for ex: 0.0015 in the 12th column) and I would like to find the line number and remove that particular line.
What's the easiest... (3 Replies)
Can we capture and write all the error messages which were being displayed on the command prompt screen during execution of a program into a log file?
If yes, can anyone please let me know on how to do it?
I am using ksh and working on AIX server.
Thank you in advance. (4 Replies)
I have a file that needs to be parsed into multiple files every time there line contains a number 1. the problem i face is the lines are random and the file size is random. an example is that on line 4, 65, 187, 202 & 209 are number 1's so there has to be file breaks between all those to create 4... (6 Replies)
I've the output in the file like below. I want to capture the value in file before string(*) and the similar value in next line only.
cat test1.txt
0003 Not Visible (M) 0 00 03F
0005 Not Visible (M) 0 00 040
- AVAILABLE 0 00... (1 Reply)
Hello,
Am very new to perl , please help me here !!
I need help in reading a URL from command line using PERL:: Mechanize and needs all the contents from the URL to get into a file.
below is the script which i have written so far ,
#!/usr/bin/perl
use LWP::UserAgent;
use... (2 Replies)
Discussion started by: scott_cog
2 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)