My Friends,
Need your help to find the difference between few columns from two comma delimited files. For example, File1 and File2 has 22 columns, and I want to find the difference in first 12 columns.
I have list of file names in MyListOfFiles2Compare.txt. Data is separated with commas.... (5 Replies)
Hello all,
Could someone please let me know shell script or awk solution to compare two columns in two files? Here is the sample -
file1.txt
abc/xyz,M1234
ddd/lyg,M2345
cnn/tnt,G0123
file2.txt
A,abc/xyz,kk,dd,zz,DCT,G0123,1
A,ddd/lyg,kk,dd,zz,DCT,M1234,1... (17 Replies)
Hi all,
I would like to compare a column in one file to a column in another file and when there is a match it prints the first column and the corresponding second column. Example
File1
ABA
ABC
ABE
ABF
File 2
ABA 123
ABB 124
ABD 125
ABC 126
So what I would like printed to a file... (0 Replies)
Hi
I have file 1 like this
and file 2 like this
I need to compare column 3 of both files and delete lines in file1 with same column 3 values in two files. So the output is
I tried with perl but didnt work. A perl code will be good as I am learning the language, but any other code would... (1 Reply)
Hi,
I want to compare the columns of two files excluding column 2 from both the files. I tried this awk command.
awk -F":" 'NR==FNR{++a;next} !(a)' file1.txt file2.txt
.
Example: File1.txt
123:09-15-2011:abc:123456
123:09-15-2011:abc:234567
123:09-15-2011:abc:345678
... (5 Replies)
Hi,
I need to compare multiple columns from 2 files.
I can, for example, have these 2 files:
file1:
col1, col2, col3,col4
a,1,4,7
b,2,5,8
c,3,6,9file2:
col1, col2, col3,col4
a,2,3,2
b,5,7,5
c,1,9,8As a result, I need for example the difference between the columns 2 and 4:
col2,... (3 Replies)
Hi all, I'm pretty much a newbie to UNIX. I would appreciate any help with UNIX coding on comparing two large csv files (greater than 10 GB in size), and output a file with matching columns.
I want to compare file1 and file2 by 'id' and 'chain' columns, then extract exact matching rows'... (5 Replies)
Hi,
Below is my requirement
file1
id|cnt
1|1
2|2
3|3
file2
id_1|cnt_1
1|1
2|1
3|1
I want to compare cnt and cnt_1 columns, if they are differ then give the details
Am using below awk command, but the output is not as expected. (2 Replies)
Discussion started by: grandhirahuletl
2 Replies
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)