What is automatic error handling in perl?
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How and what are closures implemented in perl?
What are the functions that can be performed using cgi program?
What is the difference between exec and system?
How would you trap error occurred in the perl program/file?
How to turn on Perl warnings? Why is that important?
There are two types of eval statements i.e. Eval expr and eval block. Explain them.
What does last statement do in perl?
Can we load binary extension dynamically?
What is perl unshift array function?
my @array=('data1','data2'); my @array1=('data1','data2'); my ($i,$k); $i=7; $k=7; while($i){ $array [++$#array] = 'ree'; $i--; print "@array"; } while($k){ push(@array1,'ree'); $k--; print "@array1"; } Are these two while loop are doing the same functionality ? What may be the difference?
How many loop control keywords are there in perl?
What are scalar data and scalar variables?