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Top Forums Shell Programming and Scripting BASH: Sort four lines based on first line Post 302556410 by durden_tyler on Sunday 18th of September 2011 11:48:47 AM
Old 09-18-2011
Code:
$
$ cat datafile
;Canyon
::grand::
Send, Canyon
Exit

;Elevator
::lift::
Send, Elevator
Exit

;Office
::9to5::
Send, Office
Exit

;Cabin
::log::
Send, Cabin
Exit

;Desert
::sahara::
Send, Desert
Exit

;Front door
::welcome::
Send, Front door
$
$
$ perl -ne '$k = $_ if /^;.*/; $x{$k} .= $_;
            END { $x{$k} .= "$_\n";
                  foreach $key (sort keys %x) {print $x{$key}}
            }' datafile
;Cabin
::log::
Send, Cabin
Exit

;Canyon
::grand::
Send, Canyon
Exit

;Desert
::sahara::
Send, Desert
Exit

;Elevator
::lift::
Send, Elevator
Exit

;Front door
::welcome::
Send, Front door

;Office
::9to5::
Send, Office
Exit

$
$

tyler_durden
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Email::Send::IO(3pm)					User Contributed Perl Documentation				      Email::Send::IO(3pm)

NAME
Email::Send::IO - Send messages using IO operations SYNOPSIS
use Email::Send; my $mailer = Email::Send->new({mailer => 'IO'}); $mailer->send($message); # To STDERR $mailer->mailer_args('filename.txt'); $mailer->send($message); # write file DESCRIPTION
This is a mailer for "Email::Send" that will send a message using IO operations. By default it sends mail to STDERR, very useful for debug- ging. The IO functionality is built upon "IO::All". Any additional arguments passed to "send" will be used as arguments to "IO::All::io". You can globally change where IO is sent by modifying the @Email::Send::IO::IO package variable. @Email::Send::IO::IO = ('-'); # always append to STDOUT. Examples Sending to STDOUT. send IO => $message, '-'; Send to a socket. send IO => $message, 'server:1337'; SEE ALSO
Email::Send, IO::All, perl. AUTHOR
Current maintainer: Ricardo SIGNES, <rjbs@cpan.org>. Original author: Casey West, <casey@geeknest.com>. COPYRIGHT
Copyright (c) 2005 Casey West. All rights reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.8.8 2007-07-29 Email::Send::IO(3pm)
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