Listing 3

1: #
2: # Template for generalized overnight OR background task driver script:
3: #
4:
5: echo                        # Announce the nature of the application
6: echo "(Name of report)"
7: echo
8:
9: debug=Y                     # to support testing
10:
11: AppId=report                # AppId is short description of application
12: Ltmp=/tmp                   # Work/Log area for the app, publicly writeable
13: UseLock=Y                   # Y to use lockfiles, N not to
14:
15: if [ $UseLock = Y ]; then
16:     LOCKFILE=$Ltmp/$AppId.LOCK  # Name of lockfile
17:     LOCKOPT="-l $LOCKFILE"      # bgrun.sh lockfile option
18: fi
19:
20: onite=`ask.sh "Do you want to run these reports overnight"`     # get Y/N
21:
22: if [ $onite = N ]; then                 # If requesting background \execution,
23:     if [ $UseLock = Y ]; then           # and using a lock file,
24:         if [ -r $LOCKFILE ]; then       # then check for lock file
25:             echo "\nSorry, a related report is running. Please try later."
26:             exit 1
27:         else                            # no active lockfile found.
28:             trap "rm $LOCKFILE; exit 1" 1 2 3 9 14 15
29:             touch $LOCKFILE             # create the lockfile
30:         fi
31:     fi
32: fi
33:
34: if [ $debug = Y ]; then                 # If debugging, create output file
35:     outlog=$AppId.o