05-23-2011
Copy a value from file name
I am new to scripting world,
My requirement is I have set of filenames , I have to search for the specific file names, then from each of the file I have to cut the month and year inforamtion , then add that value as additional column to each record. these files are comma delimited file.
files in the input directory is
"usa_newjercy_042008.dat"
"usa_newjercy_012009.dat"
"usa_ohao_042008.dat"
I have to search newjercy files usa_newjercy*.dat files and I have to copy month and year from the file and add that info to each record in that file.
Please help me onthis.
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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)