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Full Discussion: Extract a block of text
Top Forums Shell Programming and Scripting Extract a block of text Post 302777113 by Corona688 on Thursday 7th of March 2013 11:03:17 AM
Old 03-07-2013
Could you show a larger sample? Telling where the definitions begin and end can be awkward unless they all begin the same way, with a comment...

You can use awk for this though, I'm pretty sure. It has a "block" mode, where it can read entire sections delimited by blank lines.
 

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LEARN ABOUT PLAN9

sysctl.conf

SYSCTL.CONF(5)                                                     File Formats                                                     SYSCTL.CONF(5)

NAME

       sysctl.conf - sysctl preload/configuration file

DESCRIPTION

       sysctl.conf is a simple file containing sysctl values to be read in and set by sysctl.  The syntax is simply as follows:

              # comment
              ; comment

              token = value

       Note  that  blank  lines  are ignored, and whitespace before and after a token or value is ignored, although a value can contain whitespace
       within.  Lines which begin with a # or ; are considered comments and ignored.

EXAMPLE

              # sysctl.conf sample
              #
                kernel.domainname = example.com
              ; this one has a space which will be written to the sysctl!
                kernel.modprobe = /sbin/mod probe

FILES

       /run/sysctl.d/*.conf
       /etc/sysctl.d/*.conf
       /usr/local/lib/sysctl.d/*.conf
       /usr/lib/sysctl.d/*.conf
       /lib/sysctl.d/*.conf
       /etc/sysctl.conf
              The paths where sysctl preload files usually exist.  See also sysctl option --system.

SEE ALSO

       sysctl(8)

AUTHOR

       George Staikos <staikos@0wned.org>

REPORTING BUGS

       Please send bug reports to <procps@freelists.org>

procps-ng                                                          January 2012                                                     SYSCTL.CONF(5)
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