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Full Discussion: Using sed with variables (again!)
Top Forums Shell Programming and Scripting Using sed with variables (again!) Post 302236734 by Mr_Plow on Tuesday 16th of September 2008 08:25:55 AM
Old 09-16-2008
Quote:
Originally Posted by Franklin52
Another way:

Code:
awk -v var=`wc -l < File_In.txt` 'NR==var-2{exit}1' File_In.txt > File_Out.txt

Regards
I tried the code above but it didn't trim the last 3 lines of the file.
 

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LEARN ABOUT CENTOS

pmdanamed

PMDANAMED(1)						       Performance Co-Pilot						      PMDANAMED(1)

NAME

       pmdanamed - BIND (named) PMDA

DESCRIPTION

       pmdanamed is a Performance Metrics Domain Agent (PMDA) which exports metric values from the BIND DNS server.  Further details on BIND can
       be found at http://isc.org/.

INSTALLATION

       If you want access to the names and values for the named performance metrics, do the following as root:

	       # cd $PCP_PMDAS_DIR/named
	       # ./Install

       If you want to undo the installation, do the following as root:

	       # cd $PCP_PMDAS_DIR/named
	       # ./Remove

       pmdanamed is launched by pmcd(1) and should never be executed directly.	The Install and Remove scripts notify pmcd(1) when the agent is
       installed or removed.

FILES

       /var/named/data/named_stats.txt
	   statistics file showing values exported from named

       /var/named/chroot/var/named/data/named_stats.txt
	   chroot variant of statistics file showing values exported from named

       $PCP_PMDAS_DIR/named/Install
	   installation script for the pmdanamed agent

       $PCP_PMDAS_DIR/named/Remove
	   undo installation script for the pmdanamed agent

       $PCP_LOG_DIR/pmcd/named.log
	   default log file for error messages from pmdanamed

SEE ALSO

       pmcd(1), named.conf(5), named(8).

3.8.10							       Performance Co-Pilot						      PMDANAMED(1)
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