How to know whether a key exists or not in perl?

0 Answers  

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What is a hash?

6 Answers   Photon, Satyam, Wipro,

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Assuming both a local($var) and a my($var) exist, what's the difference between ${var} and ${"var"}?

0 Answers  

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List the files in current directory sorted by size ?

0 Answers  

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What is the use of '>>' in perl?

0 Answers  

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Consider the following example #! /bin/perl use strict; sub sample { my @arr=(1,2,3,4); return @arr; } my ($a,$b,$c,$d) = &sample; print "$a\n$b\n$c\n$d\n"; In the above code, How can I get the $c without using the arguments such as $a,$b. I don't want to use any array to get the return values.

2 Answers  

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what is the meaning of rigging?

1 Answers  

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What is the difference between exec and system?

0 Answers  

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How can we create perl programs in unix, windows nt, macintosh and os/2 ?

0 Answers  

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What is the purpose of “_file_ literal” and “_line_ literal” in perl?

0 Answers  

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Define perl scripting?

0 Answers  

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Can any1 tell me 2 write the script using perl script 2 looking at a log file 2 see wheather the test has passed or not.

3 Answers   TCS,

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