Can anybody tell me how to autoincrement the Hexa decimal value.
I am having the value FF0B in Result array and want increment it to FF0C. Now Result array should contain two values.
(I assume you mean 'increment' because I think 'autoincrement' refers to database table columns.) When you increment a hex string the result is an ordinary decimal number which you have to reformat as a hex string if that's what you want.
#Create results array containing one value
my @results = ('FF0B');
#Add 1 to first element and format as hex string for second element
push @results, sprintf('%04X', hex($results) + 1);
#Results array now contains FF0B, FF0C
print 'Results array now contains ', join(', ', @results), "\n";