Shell Programming and Scripting

##########
script that perform the job. print out current time,records success or failure. when job ends, 
print out time when job started. 
###########
a small routine to open up the log, 
count number of times 'failure' appears demarked by the start and
end text and if count >1 email myself with the lines of failure.

#!/usr/bin/perl -w

open (INPUT, "< logfile");
for (reverse <INPUT>) {
    if (/end/ .. /start/) {
        last if /start/;

        if (/failure/) {
##################################
# failure detected: do hear what you want, e.g
            print 'FAILURE';
#################################
            last;
        }
    }
}