1. Is there a way to count the number of bytes of a variable?
example:
abc@yahoo.com is 13 bytes
2. Cut command only allows one byte for delimiter
example: cut -f1 -d'.'
delimited by period. Is there a way to have two or more characters in the delimiter field?
thanks in adavance.
:) (4 Replies)
Hi All,
Is there is a way to do this in a single unix command
I have unzipped some files into a directory ..
I want to check the count of the files in the directory and also i need to check whether the files is having read permision or not.. I know it can be done by a script isthere... (4 Replies)
Hi All,
I'm trying to count how many line in my *.txt file.
My *.txt file has 1937 lines.
The problem is : when I use wc -l command
the result is 1936.
Again, I did some test. I create a new file with 100 lines with text editor (Notepad ++, Ultra edit).
And when I count it again with wc... (2 Replies)
Hi,
I have a script which removes 2 header records and 1 trailer record in a list of files. The commands doing the actions are
sed '1,2d' $file > tempfile1.dat
sed '$d' < tempfile1.dat > $output.txt
Its working fine for all records except a file having size=1445509814 and number of... (2 Replies)
I have created a file "pat".This file contains the text "abcdefghi". Now i want to count the characters in this file "pat". I gave wc -c | pat and it returns me exact count "9". Now when i tried like "echo pat | wc -m" It returns '4'. as for as i understand this command "echo pat | wc -m" should... (7 Replies)
Hi,
I have small query and a understanding, could you please clarify the query and correct my understanding..?
I am very big log file If i need to take a count and contained lines for a particular pattern/word i am using the grep command twice like the below.
grep -c "OutOfMemoryException"... (4 Replies)
I have a file that I need to count the number of "Y"s in the file, but just the "Y"s that fall between certain columns. Like:
file1:
1234567890123456789012345
BBBBBBYBBBBYBBYBBYBBYBBB
I want to count the 'Y's between 17 and 21 = 2 "Y"s
Thanks (12 Replies)
Hi all,
I need to run a bunch of commands seperated by ; but then count the total lines of output. Pipes and redirection don't seem to be helping me. Anyone know how I can do this properly:
ls /usr/bin/nslookup ; ls /usr/sbin/lsof ; ls /sbin/ifconfig ; ls /usr/sbin/dmidecode ; ls... (2 Replies)
Hello Experts,
I have a log file that contains 4 different type of exception :
1- Exception
2- Fatal
3- Error
4- Exec
My requirement is to find count of each type of exception, i tried using combination of -E and -C but that doesn't seems to be working :
grep -ec 'Exception' -ec... (4 Replies)
Discussion started by: mukulverma2408
4 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)