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Top Forums Shell Programming and Scripting BASH: Sort four lines based on first line Post 302556412 by agama on Sunday 18th of September 2011 11:59:11 AM
Old 09-18-2011
I completely missed that the send, was being placed on its own line in the output!! Initially I was using spaces to separate the fields and realised that there were embedded spaces and when I converted to pipes I added an unnecessary vertical bar. The 'source' file should be something like:

Code:
;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|Exit|

Where the vertical bar after Send, is removed.

I generated the first set of output using the above input and this command:

Code:
sort input-source | awk -v RS="|" '1'

To run with your current file, this should work:

Code:
awk 'NF < 1 {next;} { x=x $0 "|"; } /Exit/ { print x; x="" }' input-file | sort  | awk -v RS="|" '1'

I just recut/pasted your sample data (to be sure I hadn't buggered something up along the way) and ran it through the above pipeline; it generated:

Code:
;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
Exit

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

I did add a final Exit -- I hope that there is one, otherwise things might not work quite right.

Hope this helps.
This User Gave Thanks to agama For This Post:
 

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Test::Exit(3pm) 					User Contributed Perl Documentation					   Test::Exit(3pm)

NAME
Test::Exit - Test that some code calls exit() without terminating testing VERSION
version 0.03 SYNOPSIS
use Test::More tests => 4; use Test::Exit; exits_ok { exit 1; } "exiting exits" never_exits_ok { print "Hi!"; } "not exiting doesn't exit" exits_zero { exit 0; } "exited with success" exits_nonzero { exit 42; } "exited with failure" DESCRIPTION
Test::Exit provides some simple tools for testing that code does or does not call "exit()", while stopping code that does exit at the point of the "exit()". Currently it does so by means of exceptions, so it will not function properly if the code under test calls "exit()" inside of an "eval" block or string. The only criterion tested is that the supplied code does or does not call "exit()". If the code throws an exception, the exception will be propagated and you will have to call it yourself. "die()"ing is not exiting for the purpose of these tests. exits_ok Tests that the supplied code calls "exit()" at some point. exits_nonzero Tests that the supplied code calls "exit()" with a nonzero value. exits_zero Tests that the supplied code calls "exit()" with a zero (successful) value. never_exits_ok Tests that the supplied code completes without calling "exit()". AUTHOR
Andrew Rodland <andrew@hbslabs.com> COPYRIGHT AND LICENSE
This software is copyright (c) 2009 by HBS Labs, LLC.. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. perl v5.10.1 2009-12-04 Test::Exit(3pm)
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