At least three subshells can easily be eliminated:
Code:
IFS=';'
while read ser_name old_ip
do
curr_ip=$(dig $ser_name +short | sed -n '1p' )
if [[ "$curr_ip" == "$old_ip" ]]
then
echo "IP is SAME, $ser_name"
else
echo "IP is DIFFERENT,$ser_name" >> log.txt
fi
done < serverlist
Guys ,
Am using Linux - Red Hat 6.1 .
My DNS and nslookup command was working fine and ppl. can resolve through this server .
but i changed something in /etc/named.conf , that stopped the DNS .
The named proccess is working , but nslookup command is not , i get this error message :
... (3 Replies)
Hi
I usually use solaris but Im working right now with a Linux box and I cannot find the nslookup command. Does Linux use this command or have an other one to do dns querys??
Thanks and sorry for such a dumb question.. :) (2 Replies)
Hi
I need to write a bash shell script. I have two separate text files. One file contains a list of MAC addresses taken from a network scan, the other contains a list of MAC addresses for our currently-managed devices. How can I compare these two files, and output a list of addresses that have... (6 Replies)
Hi guys,
I'm back to get some help again :)
I have a file that has a list of IP addresses, and I use nslookup in my script to resolve hostnames of those IPs.
the problem I'm facing is that I not all the hostnames got resolved! and I don't know why. sometimes the same duplicate IP returns a... (8 Replies)
hi,
I am new in Solaris 10 , i am installing a software in solaris 10, while performing pre requisite nslookup command should return without error, and the IP address and host should match those listed in the etc/hosts file,
but nslookup command show the below error , can anybody tell me how i... (4 Replies)
Hi,
I have a rather simple awk statement to perform an nslookup on a file (list of IPs). If the lookup yields a result, then it sends it to a file. If no result, there is no output. I've been trying to use !NR or !NF with an if statement to make the output state "NA" if there is no result,... (5 Replies)
Discussion started by: umang2382
5 Replies
LEARN ABOUT SUNOS
echo
echo(3XCURSES) X/Open Curses Library Functions echo(3XCURSES)NAME
echo, noecho - enable/disable terminal echo
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <curses.h>
int echo(void);
int noecho(void);
DESCRIPTION
The echo() function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control soft-
ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.
RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)SunOS 5.10 5 Jun 2002 echo(3XCURSES)