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Top Forums Shell Programming and Scripting Append variable value with sed Post 302889707 by vskr72 on Sunday 23rd of February 2014 10:58:15 AM
Old 02-23-2014
Thank you. Both the solutions work. But I have another question. Why do we have to give the substitution part in the 2nd line. Cant I give the whole command in one line? I tried and it did not work. Appreciate your inputs.
 

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MIXERCTL.CONF(5)					      BSD File Formats Manual						  MIXERCTL.CONF(5)

NAME
mixerctl.conf -- audio mixer configuration file SYNOPSIS
mixerctl.conf DESCRIPTION
The /etc/mixerctl.conf file consists of mixerctl(1) variables to set at boot time. Each line of mixerctl.conf has the following format: variable=value To generate a mixerctl.conf from the current mixer settings, execute: mixerctl -a > /etc/mixerctl.conf Set mixerctl to YES in rc.conf(5) to have the variables set at boot time. Additionally, you can have the settings saved and restored for the devices of your choice by listing them in mixerctl_mixers in rc.conf(5). FILES
/etc/mixerctl.conf EXAMPLES
Example mixer settings for an esa(4) audio adapter: outputs.master=255,255 outputs.master.mute=off outputs.mono=255 outputs.mono.mute=on outputs.mono.source=mixerout outputs.headphones=255,255 outputs.headphones.mute=off outputs.tone=255,255 inputs.speaker=255 inputs.speaker.mute=off inputs.phone=191 inputs.phone.mute=on inputs.mic=191 inputs.mic.mute=on inputs.mic.preamp=off inputs.mic.source=mic0 inputs.line=191,191 inputs.line.mute=on inputs.cd=191,191 inputs.cd.mute=on inputs.video=255,255 inputs.video.mute=off inputs.aux=255,255 inputs.aux.mute=off inputs.dac=191,191 inputs.dac.mute=off record.source=mic record.volume=255,255 record.volume.mute=off record.mic=0 record.mic.mute=off outputs.loudness=off outputs.spatial=off outputs.spatial.center=0 outputs.spatial.depth=0 SEE ALSO
mixerctl(1), rc.conf(5) HISTORY
The mixerctl.conf configuration file first appeared in NetBSD 2.0. BSD
April 5, 2003 BSD
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