Shell script has to run until the status value is updated Post: 302970315

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Top Forums Shell Programming and Scripting Shell script has to run until the status value is updated Post 302970315 by sumanmca2006 on Tuesday 5th of April 2016 07:47:35 AM

04-05-2016

Registered User

Some thing like this.

If I use Status=0 in the script no issue. It is immediately coming out of the loop because of break condition in the case statement

But if I fetch Status value from DB like below.
Status= db2 " Select Status from X table" then it is returning "Other Status 0" from the case statement which is wrong. It has to immediately come out of the loop. But its not happening

---------- Post updated at 06:47 AM ---------- Previous update was at 06:34 AM ----------

Currently the status value is '0' . But if I ran the below script it is returning "Other Status 0"

Code:

while true
do
db2 connect 
STATUS=$(db2 -x "SELECT JOB_STATUS FROM X WHERE NAME='Test1'")
# after that:
case "$STATUS" in
'0') break ;; # break loop
'4') echo "status 4" ;;
'NOT*YET*RUN') echo "Job Running" ;;
#....
*) echo "other status $STATUS" ;;
esac
sleep 10 # sleep 10 sec and poll again
done
echo "Done"

Last edited by Franklin52; 04-05-2016 at 10:07 AM.. Reason: Please use code tags

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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)