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Top Forums UNIX for Beginners Questions & Answers Troubles running DB2 command in shell script via cron Post 302987409 by Don Cragun on Thursday 8th of December 2016 10:34:34 PM
Old 12-08-2016
Quote:
Originally Posted by Rohan Kishibe
I checked the link, and fix my script. It works properly now. Thank you for noticingSmilie

By the way, why
Code:
status=`db2 -x select status from TABLE_X where end_date = select max(end_date) from TABLE_X`

this script above doesn't work when executed by cron?
It doesn't work because cron doesn't know how to set up your environment like your shell does. When you log in, your shell initializes your environment with settings that allow your database commands to be found without specifying absolute pathnames for the database utilities and includes settings specifying what database to use and what access codes are needed to access that database. You have to make the script you run with cron make that same environment information available to the shell that is being run by cron.
 

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uudemon(4)						     Kernel Interfaces Manual							uudemon(4)

NAME
uudemon.admin, uudemon.cleanu, uudemon.hour, uudemon.poll - Administrative shell scripts for polling remote systems, cleaning up spool directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons SYNOPSIS
These shell scripts reside in the following directory: /usr/lib/uucp DESCRIPTION
All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the scripts, remove the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file. This script reports status to the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID (uucpa) or root. This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com- mand is run with the following parameters: -C7, -D7, X2, -o2, -W1. This script runs the uusched and uuxqt daemons in the background. This script polls the systems listed in the /usr/lib/uucp/Poll file. The uudemon.poll script should be scheduled before the uudemon.hour script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script. FILES
Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files. Contains the uucp file. RELATED INFORMATION
Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1) Files: /usr/lib/uucp delim off uudemon(4)
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