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Full Discussion: How to edit a large file
Top Forums Shell Programming and Scripting How to edit a large file Post 302581939 by bobby1015 on Wednesday 14th of December 2011 12:19:32 PM
Old 12-14-2011
Well, the file size is over 7GB and I am trying to edit the very first few lines.
How am I going to achieve this?

Thanks
 

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Config::Model::OpenSsh(3pm)				User Contributed Perl Documentation			       Config::Model::OpenSsh(3pm)

NAME
Config::Model::OpenSsh - OpenSsh config editor SYNOPSIS
invoke editor The following will launch a graphical editor (if Config::Model::TkUI is installed): sudo cme edit sshd command line This command will add a "Host Foo" section in "~/.ssh/config": cme modify ssh Host:Foo ForwardX11=yes programmatic This code snippet will remove the "Host Foo" section added above: use Config::Model ; use Log::Log4perl qw(:easy) ; my $model = Config::Model -> new ( ) ; my $inst = $model->instance (root_class_name => 'Ssh'); $inst -> config_root ->load("Host~Foo") ; $inst->write_back() ; DESCRIPTION
This module provides a configuration editors (and models) for the configuration files of OpenSsh. ("/etc/ssh/sshd_config", /etc/ssh/ssh_config and "~/.ssh/config"). This module can also be used to modify safely the content of these configuration files from a Perl programs. Once this module is installed, you can edit "/etc/ssh/sshd_config" with run (as root) : # cme edit sshd To edit /etc/ssh/ssh_config, run (as root): # cme edit ssh To edit ~/.ssh/config, run as a normal user: # cme edit ssh user interfaces As mentioned in cme, several user interfaces are available with "edit" subcommand: o A graphical interface is proposed by default if Config::Model::TkUI is installed. o A Curses interface with option "cme edit ssh -ui curses" if Config::Model::CursesUI is installed. o A Shell like interface with option "cme edit ssh -ui shell". AUTHOR
Dominique Dumont, (ddumont at cpan dot org) SEE ALSO
cme, Config::Model, perl v5.14.2 2012-10-29 Config::Model::OpenSsh(3pm)
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