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Full Discussion: How to replace a line content
Top Forums Shell Programming and Scripting How to replace a line content Post 302186396 by Franklin52 on Thursday 17th of April 2008 05:59:14 AM
Old 04-17-2008
This should do the job:

Code:
#!/bin/sh

curr_dat=`date "+%Y\/%d\/%m"`
curr_time=`date "+%H:%M:%S"`

awk -v ver="old_version + 0.1" -v dat=$curr_dat -v t=$curr_time '
/^\$Header:/{$2=FILENAME;$3=ver;$4=dat;$5=t}1
' file

Regards
 

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LEARN ABOUT CENTOS

arp2ethers

ARP2ETHERS(8)						      System Manager's Manual						     ARP2ETHERS(8)

NAME

       arp2ethers - convert arpwatch address database to ethers file format

SYNOPSIS

       arp2ethers

DESCRIPTION

       arp2ethers converts file arp.dat in the current directory into ethers(5) format on stdout.  Usually arp.dat is an ethernet/ip database file
       generated by arpwatch(8).  The arpwatch daemon in Debian will create different arp.dat depending on its configuration. All of them will	be
       available at /var/lib/arpwatch/.

FILES

       /var/lib/arpwatch - default directory for arp.dat
       arp.dat - ethernet/ip address database

SEE ALSO

       arpwatch(8), ethers(5), rarp(8), arp(8),

BUGS

       Please send bug reports to arpwatch@ee.lbl.gov.

AUTHORS

       Original  version  by  Craig Leres of the Lawrence Berkeley National Laboratory Network Research Group, University of California, Berkeley,
       CA.

       Modified for the Debian Project by Peter Kelemen, with additions from Erik Warmelink.

       The current version is available via anonymous ftp:

	      ftp://ftp.ee.lbl.gov/arpwatch.tar.gz

       This manual page was contributed by Hugo Graumann.

																     ARP2ETHERS(8)
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