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Full Discussion: Shell scripting with passing arguments
Top Forums Shell Programming and Scripting Shell scripting with passing arguments Post 302939240 by Anusha M on Tuesday 24th of March 2015 05:50:34 AM
Old 03-24-2015
Shell scripting with passing arguments
Hi All,

I am using the script for creating local queue and passing the arguments while running the script as below

Code:
n=0
while [ $n -lt $1 ]
do
e=`expr $n + 3`
echo 'DEFINE QL('$e') MAXDEPTH('$6') MAXMSGL('$7') DEFPSIST('$8') '$9'' | /apps/mqm_opt/bin/runmqsc $2
n=`expr $n + 1`
done

Running the script
Code:
./sample.sh 3 QueueManager1 Q1 Q2 Q3 5000 4194304 NO

3 - Number of queues to be created
QueueManager1 - name of the queue manger
Q1 - Queue 1 to be created
Q2 - Queue 2 to be created
Q3 - Queue 3 to be created
5000 - Maxdepth of queue
4194304 - Size of message in queue
NO - Queue persistence
<null> - Cluster

In the above highlighted, the value should be either $3, $4, $5 based on the condition from "for loop" but the script takes the queue name as 3,4,5 instead of Q1,Q2,Q3 respectively.

I am not sure how the variable should be passed inside "DEFINE QL()"

Can someone please help on this.

Thanks,
Anusha
 

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LEARN ABOUT SUNOS

queue

queue(9S)						    Data Structures for Drivers 						 queue(9S)

NAME

       queue - STREAMS queue structure

SYNOPSIS

       #include <sys/stream.h>

INTERFACE LEVEL

       Architecture independent level 1 (DDI/DKI)

DESCRIPTION

       A   STREAMS  driver  or	module	consists  of  two   queue structures, one for upstream processing (read) and one for downstream processing
       (write). This structure is the major building block of a stream. It contains pointers to the processing procedures, pointers  to  the  next
       and  previous  queues in the stream, flow control parameters, and a pointer defining the position of its messages on the  STREAMS scheduler
       list.

       The  queue structure is defined as type	queue_t.

STRUCTURE MEMBERS

       struct	   qinit*q_qinfo;      /* module or driver entry points */
       struct	   msgb*q_first;       /* first message in queue */
       struct	   msgb*q_last;        /* last message in queue */
       struct	   queue*q_next;       /* next queue in stream */
       struct	   queue*q_link;       /* to next queue for scheduling*/
       void	   *q_ptr;	       /* pointer to private data structure */
       size_t	   q_count;	       /* approximate size of message queue */
       uint_t	   q_flag;	       /* status of queue */
       ssize_t	   q_minpsz;	       /* smallest packet accepted by QUEUE*/
       ssize_t	   q_maxpsz;	       /*largest packet accepted by QUEUE */
       size_t	   q_hiwat;	       /* high water mark */
       size_t	   q_lowat;	       /* low water mark */

       Valid flags are as follows:

       QENAB	       Queue is already enabled to run.

       QWANTR	       Someone wants to read queue.

       QWANTW	       Someone wants to write to queue.

       QFULL	       Queue is considered full.

       QREADR	       This is the reader (first) queue.

       QUSE	       This queue is in use (allocation).

       QNOENB	       Do not enable queue by way of putq().

SEE ALSO

       strqget(9F), strqset(9F), module_info(9S), msgb(9S), qinit(9S), streamtab(9S)

       Writing Device Drivers

       STREAMS Programming Guide

SunOS 5.10							    12 Nov 1996 							 queue(9S)
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