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Top Forums Shell Programming and Scripting sed : match one pattern then the next consecutive second pattern not working Post 302824263 by popeye on Thursday 20th of June 2013 01:16:51 PM
Old 06-20-2013
Code:
server> sed -n "/interface Loopback/{N;/ ip address /p;}" *.conf
server>

Its not finding those lines. No errors. Im sure the lines exist, I double checked a few files. (pretty common config anyway .. )

I also tried to use ' instead of "


I did have a typo ... the B in loopback should have been lower but that change didnt make a difference.
 

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oss_midiloop(7) 						    OSS Devices 						   oss_midiloop(7)

NAME
oss_midiloop - Loopback MIDI driver. DESCRIPTION
The loopback midi driver makes it possible to create special purpose virtual midi devices based on user land server processes. INTRODUCTION
MIDI loopback devices are like named pipes or pseudo terminals. They are grouped in client and server device pairs. The server side device must be open before the client side device can be opened. SERVER SIDE DEVICE The server side device is used by some special application (such as a software based MIDI synthesizer) to receice MIDI events from the applications that want to play MIDI. CLIENT SIDE DEVICE Client applications such as MIDI players open the client side device when they need to play some MIDI stream (file). The client side device behaves like any "ordinary" MIDI device. However it cannot be opened when there is no program connected to the server side. COMPATIBILITY ISSUES
MIDI loopback devices differ from "normal" MIDI devices because an application is needed at the both ends of the loop. The loop device will return a "Connection reset by peer" error (ECONNRESET) error. Applications designed to be used as loopback based server applications can/should use this error (returned by read or write) as an end-of-stream indication. OPTIONS
o midiloop_instances: Specifies how many loopback client/server MIDI device pairs to be created. Values: 1-16 Default: 1 KNOWN PROBLEMS
None FILES
/etc/oss4/conf/oss_midiloop.conf Device configuration file AUTHOR
4Front Technologies 16 December 2012 oss_midiloop(7)
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