Answer to Question #22423 in Perl for Sandeep Saxena

Question #22423
1. Which conditional statement is equivalent to "if (!<condition>)"? a. unless () b. failure () c. fails () d. ifn () 2. Correct command in Perl script a. "cp file1 file2" b. 'cp file1 file2' c. `cp file1 file2` d. {cp file1 file2} 3. What is -> Symbol in Perl?
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Expert's answer
2013-01-21T10:02:45-0500
1. Correct answer is a) unless()Perl does not have "failure","fails", "ifn" keywords
2. Answer is c), where the command is taken inquotes ``
3. In object oriented PERL the arrow -> symbol is usedfor creating or accessing a particular object of a class

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