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Full Discussion: Masking with gsub command
Top Forums Shell Programming and Scripting Masking with gsub command Post 302987293 by JSKOBS on Thursday 8th of December 2016 04:34:27 AM
Old 12-08-2016
Masking with gsub command

My file "test.dat" data as below
Quote:
----------------------------
SECN00020161130
SECN10020161130201611301000889CashEWQE FHJIO MKIUO2
SECN105YEA FDSDF WEDCVB 12 JLKJG AA 3/6 ASASSASQ 68000 ZQWEQWQ BHYTREWQ
SECN300
Requirement is to mask(replace) all english characters with "X" EXCEPT first 7 characters of every line.

my command
Code:
awk '{gsub("[[:alpha:]][^SECN]","X")}1' test.dat

looks not working properly, Appreciate any suggestion...
 

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

NAME
arp2ethers - convert arpwatch address database to ethers file format SYNOPSIS
arp2ethers [ arp.dat file ] DESCRIPTION
arp2ethers converts the file /var/lib/arpwatch/arp.dat (or the file specified on the command line) into ethers(5) format on stdout. Usu- ally arp.dat is an ethernet/ip database file generated by arpwatch(8). The arpwatch daemon in Debian will create different arp.dat depend- ing 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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