Port num incrementing Post: 302200090

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Top Forums Shell Programming and Scripting Port num incrementing Post 302200090 by coolkid on Wednesday 28th of May 2008 11:12:46 AM

05-28-2008

Registered User

Port num incrementing

Hello Guyz
These days Iam doing pretty good scripting work that is all because of you fellas.Thank you so much.

As it goes ,here comes my next problem.Iam trying to implement automatic port number incrementing.

For ex:

demo()
{
echo "Enter for default port[56]:
read port
if [[ -z $port ]] #if we didnt enter any thing ,it will take 56
then
$port=56
fi
}
do u want re-run it(y/n):
read ans
if [[ "$ans" = "y" ]]
then
demo
else
exit

-------------------------
This is the code I have so far,what iam trying to do is when ever we re-run the "demo" the port number has to increment by 1.In this case it has to go to 57.
For ex:echo "Enter for default port[57]:

Two things are worrying me now
1)How do i increment to 57 , and make it as default value(if we press enter,it has to take 57)
2)check the port number,if the port number is not available ,hw do we detect it and assign the next available port to default.

These are the things bothering me now.Hope you can help me with these things guyz.

--CoolKid

coolkid

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tcrmttest

TCRMTTEST(1)							   Tokyo Tyrant 						      TCRMTTEST(1)

NAME

       tcrmttest - test cases of the remote database API

DESCRIPTION

       The command `tcrmttest' is a utility for facility test under multi-thread situation.  This command is used in the following format.  `host'
       specifies the host name of the server.  `rnum' specifies the number of iterations.

	      tcrmttest write [-port num] [-tnum num] [-nr] [-rnd] [-ext name] host rnum
		     Store records with keys of 8 bytes.  They change as `00000001', `00000002'...
	      tcrmttest read [-port num] [-tnum num] [-mul num] host
		     Retrieve all records of the database above.
	      tcrmttest remove [-port num] [-tnum num] host
		     Remove all records of the database above.

       Options feature the following.

	      -port num : specify the port number.
	      -tnum num : specify the number of running threads.
	      -nr : use the function `tcrdbputnr' instead of `tcrdbput'.
	      -rnd : select keys at random.
	      -ext name : call a script language extension function.
	      -mul num : specify the number of records for the mget command.

       If the port number is not more than 0, UNIX domain socket is used and the path of the socket file is specified by the host parameter.  This
       command returns 0 on success, another on failure.

SEE ALSO

       ttserver(1), ttultest(1), ttulmgr(1), tcrtest(1), tcrmgr(1), ttutil(3), tcrdb(3)

Man Page							    2010-01-20							      TCRMTTEST(1)