job_one.pl

#!/usr/bin/perl
#
# This script is run from the job ORB_JOB1 as part of the tip
# TWS recover and rerun job until it succeeds.
#
# Day and Month arrays used by time_stamp subroutine
@days = ("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
@months = ("January","February","March","April","May","June","July","August","September","October","November","December");
$TestDir = "/images/TWS/TWS-Testing/Files";          # Default directory for testing
 
#------------------------------------------------------------------------------------------
sub time_stamp {                                        # Get date/time in printable format
#------------------------------------------------------------------------------------------
        local ($sec,$min,$hour,$day,$month,$year,$dayofweek,$dayofyear,$daylightsaving);
 
        ($sec,$min,$hour,$day,$month,$year,$dayofweek,$dayofyear,$daylightsaving) = localtime(time);
 
        $MTH = substr($months[$month],0,3);             # Set month abbreviation
        $DAY = substr($days[$dayofweek],0,3);           # Set day abbreviation
 
        if ( $year <= 2000) {
                $YEAR = $year + 1900;                   # Add 1900 if year is less than 2000!
        } else {
                $YEAR = $year;                          # otherwise assume it's okay
        };
        if ( $day < 10) {
                $day = "0".$day                         # Add leading zero
        };
        if ( $hour < 10) {
                $hour = "0".$hour                       # Add leading zero
        };
        if ( $min < 10) {
                $min = "0".$min                         # Add leading zero
        };
        if ( $sec < 10) {
                $sec = "0".$sec                         # Add leading zero
        };
        $Now = $day.$MTH.$YEAR."-".$hour.":".$min.":".$sec      # Return timestamp in $Now variable
};
 
#==========================================================================================
# Main starts here
#==========================================================================================
 
# Print passed parameter list
$sleep_sec = int(rand(30));                          # Random default sleep value in seconds
$DQ = """;                                          # Double quote
 
$Numparms = @ARGV;                                   # Get number of parameters
if ( $Numparms == 0 ) {
        &time_stamp();                               # Get time/date stamp
        print ("$Now - No parameters passed to scriptn");
} else {
        &time_stamp();                               # Get time/date stamp
        print ("$Now - Parameters passed to script as follows:-n");
        for ($count = 0; $count < @ARGV; $count++) { # Print each parameter value
               print ("ttt$ARGV[$count]:t$ARGV[$count]n");  # Print parameter
               if ( $ARGV[$count] =~ "sleep=" ) {
                       $_ = $ARGV[$count];                          # Get sleep parameter 
                       ($_,$sleep_sec) = split(/=/, $_, 2);        # Get the seconds value
               };
        };
        $TestDir = $ARGV[0];                                        # Set path to test files
        #print ("TestDir set to $TestDirn");
};
 
# Now process each of the environment variables
 
&time_stamp();
print ("$Now - Environment variables follow...nn");
 
# If the TWS environment variable UNISON_JOB is present, assume we are executing under TWS
# in which case, 
# if the file $TestDir/Files/jobname.test exists, delete it and exit with RC=1
# if the file doesn't exist, create it and exit wth RC=0
# This allows TWS to schedule the job and it will alternatively fail and succeed on each run
 
if ( $ENV{UNISON_JOB} ) {                            # If UNISON_JOB variable exists
        $twsdir = $ENV{TWS_TISDIR};                     # Use TWS_TISDIR for UNIX/Linux
        $jobinfo = $twsdir."/bin/jobinfo";           # Build jobinfo command for UNIX/Linux 
        $DevNull = "/dev/null";                              # Null device UNIX/Linux
 
        # Print information about the job from jobinfo command
  $job_info = `$jobinfo re_job 2> $DevNull`;
  &time_stamp();
  print ("$Now Job is a RERUN job=$job_info");
        
        # Now sleep for a little while
        print ("n$Now - Sleeping for $sleep_sec seconds....n");
        system("sleep $sleep_sec");          # Sleep for 1 minutes so we can see job in TWS!
        ($Jobstream, $Jobname) = split(/./, $ENV{UNISON_JOB}, 2);          # Jobname after the "."
        &time_stamp();                               # Get time/date stamp
        print ("$Now - Executing under TWS Jobstream $Jobstream Job $Jobnamen");
 
        $Filename = "$TestDir" . "/" . "job1.test";  # Build filename
        if ( -f $Filename ) {                                # File exists
               unlink($Filename);                           # Delete file
               &time_stamp();
        print ("$Now - File $Filename exists and has been deleted!n");
               exit 0; 
        } else {
        print ("$Now - File $Filename does not exist!n");
               exit 1;
        };
};
 
exit 0;

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