Listing 2

1: #
2: # Template driver script for background job
3: #
4:
5: debug=Y                     # to support testing
6:
7: AppId=report                # AppId is short description of application
8: Ltmp=/tmp                   # Work/Log area for the app, publicly writeable
9: UseLock=Y                   # Y to use lockfiles, N not to
10:
11: [ $UseLock = Y ] && LOCKFILE=$Ltmp/$AppId.LOCK  # Name of lockfile
12:
13: echo                        # Announce the nature of the application
14: echo (Name of report)
15: echo
16:
17: if [ $UseLock = Y -a -f $LOCKFILE ]; then       # check for lock file
18:     echo "\nSorry, a related report is running. Please try again later."
19:     exit 1
20: fi
21:
22: if [ $UseLock = Y ]; then                       # Prevent zombie lock file if
23:     trap "rm $LOCKFILE; exit 1" 1 2 3 9 14 15   # user interrupts this script
24:     touch $LOCKFILE                             # Create the lockfile
25: fi
26:
27: if [ $debug = Y ]
28: then                                    # If debugging, create output file
29:     outlog=$AppId.out                   # in the current directory
30: else
31:     outlog=/Ltmp/$AppId.log             # else create in the standard place
32: fi
33:
34: bgrun.sh $outlog <<END
35: #   *** insert command here ***
36:     [ $UseLock = Y ] && rm $LOCKFILE
37: END
38:
39: # alternate form, if a script file has been created as $script:
40: # bgrun.sh $outlog <$script
41:
42: echo "This process is now running in the background."
43:
44: # Give user additional information about output here, if anything to tell.