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1D0-437 Exam Dumps : CIW PERL FUNDAMENTALS

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CIW PERL FUNDAMENTALS Questions and Answers

Question 1

Regular expressions are best used for which task?

Options:

A.

To perform arithmetic functions

B.

To determine whether a string matches a specific pattern

C.

To perform spelling checks within text files

D.

To output data to a text file

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Question 2

Consider that a file named test.txt contains this line of text:

One line of test text.

What is the output of the following lines of code?

$file = "test.txt";

open (OUT, "<$file") || (die "cannot open $file: $!");

seek(OUT, 15, 0);

read(OUT, $buffer, 5);

print $buffer . "\n";

print tell(OUT);

Options:

A.

t text

20

B.

t tex

19

C.

t text

19

D.

t tex

20

Question 3

Consider the following program code:

%color = (sun => yellow, apple => red);

reverse(%color);

@colorKeys = sort(keys(%color));

foreach(@colorKeys)

{

print($color{$_} . );

}

What is the result of executing this program code?

Options:

A.

The code will output the following:

apple sun

B.

The code will output the following:

sun apple

C.

The code will output the following:

red yellow

D.

The code will output the following:

apple red sun yellow