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Full Discussion: Program based on hostname
Top Forums Shell Programming and Scripting Program based on hostname Post 302843837 by darling on Thursday 15th of August 2013 11:03:56 AM
Old 08-15-2013
Command giving as
Code:
./sco.sh
Enter QM
Enter hostname

Script is
Code:
#!/bin/ksh
QM=$1
echo "enter QM"
read QM
hostname=$2
echo "enter hostname"
read hostname
case "$QM" in
    *1) NEED=51431;;
    *2) NEED=51432;;
    *3) NEED=51433 ;;
    *4) NEED=51434;;
    ?) NEED=-1;;
  esac
  if [ "$4" -ne "$NEED" ]; then
    echo "\$4 should be $NEED"
    : ...
  fi

but it is printing output as below
Code:
$4 should be 51431

what i want is 51431 should be assigned to $4
till here it is first part
second part is converting hostname into IP adress
Code:
$3=hostname -i

then $1 (QM) , $3 (Converted IPAdress) and $4 (PORT) should be assigned in below code

Code:
echo $1 >&2 \ export MQSERVER=SYSTEM.DEF.SVRCONN/TCP/'$3($4)' \ ./qload -ISYSTEM.DEAD.LETTER.QUEUE -lmqic32 -m$1 >&2

---------- Post updated at 10:03 AM ---------- Previous update was at 09:13 AM ----------

I tried below code, but it is not giving any output

Code:
#!/bin/ksh
QM=$1
echo "enter QM"
read QM
hostname=$2
echo "enter hostname"
read hostname
case "$QM" in
    *1) NEED=51431;;
    *2) NEED=51432;;
    *3) NEED=51433;;
    *4) NEED=51434;;
    ?) NEED=-1;;
  esac
  if [ "$PORT" -ne "$NEED" ]; then
 
PORT=$4
 
  fi
$3=$hostname -i
echo $1 >&2 \ export MQSERVER=SYSTEM.DEF.SVRCONN/TCP/'$3($4)' \ ./qload -ISYSTEM.DEAD.LETTER.QUEUE -lmqic32 -m$1 >&2

 

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LEARN ABOUT CENTOS

service

service(8)						      System Manager's Manual							service(8)

NAME

       service - run a System V init script

SYNOPSIS

       service SCRIPT COMMAND [OPTIONS]

       service --status-all

       service --help | -h | --version

DESCRIPTION

       service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working
       directory set to /.

       The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT.  The  supported  values  of  COMMAND  depend  on  the
       invoked	script,  service  passes  COMMAND and OPTIONS it to the init script unmodified.  All scripts should support at least the start and
       stop commands.  As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the  start
       command.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

       If the init script file does not exist, the script tries to use legacy actions.	If there is no suitable legacy action found and COMMAND is
       one of actions specified in LSB Core Specification, input is redirected to the systemctl.  Otherwise the command fails with return code 2.

FILES

       /etc/init.d
	      The directory containing System V init scripts.

ENVIRONMENT

       LANG, TERM
	      The only environment variables passed to the init scripts.

SEE ALSO

       chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5)

								     Jan 2006								service(8)
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