Exam 9: Perl and Cgi Programming

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Match each item with a statement below. -one of Perl's string relational operators

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I

When processing the individual elements of an array,use the ____ character.

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C

To refer to a single element of a hash,you use the $ character before the variable name,followed by the key associated with the value in ____.

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The convention is to use all uppercase letters for ____.

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Awk is popular as a CGI tool for Web-based applications.

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The .pe extension is typically used to indicate that the file is a Perl script.

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____________________ Language (Perl)is a free script language that runs on many operating systems,including UNIX,Linux,Windows,and Mac OS X.

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The value of a variable can change while a program runs.

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If the ____ option is not included,the Awk program uses the first command-line argument as its program.

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____________________ are symbolic names that represent values stored in memory.

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The Awk program does not require the programmer to explicitly set up looping structures as does Perl.

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A(n)____ is a simple variable that holds a number or a string.

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Perl is a(n)____ language,which means that statements are read and immediately executed.

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In Perl,print;is equivalent to ____.

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Match each item with a statement below. -marks the beginning of a comment in Perl

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What is a compiled language?

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What is a constant?

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The <> symbol is called the ____________________ operator.

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In HTML,all special codes contained inside angled brackets <> are ____.

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How can you sort @somelist and store the result in @sortedlist?

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