Latest Answer: Takes a LIST of values and converts it into a string using the rules given by the TEMPLATE. The resulting string is the con-catenation of the converted values. Typically, each converted value looks like its machine-level representation. For example, on ...

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What does this symbol mean '->'

Latest Answer: Uses of "->" Operator:###################1) Reference the method of a module.use CGI;my $cgi = new CGI ();$cgi->header();2) In Perl it is an infix dereference operator. $arr = [ qw/ prabhath vamsi eswar sandhya God/]; #This ...

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What does 'qw(..)' mean? What's the use of it?when do we use it?

Latest Answer: the quoting opeator for lists is qw.advantage of qw is you need not quote the strings in additional way as qw already does quoting. ...

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What is a Tk module? WHere it is used? What's the use of it? Plse tell me ..

Latest Answer: It provides a GUI ...

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What is a subroutine?

Latest Answer: One major difference between subroutine and function-A function definition must have a return statement whereas a subroutine always return value of last expression evaluated in case there is no return statement. ...

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What does the word '&myvariable' mean?what does the symbol '&' means? What's

What does the word '&myvariable' mean?what does the symbol '&' means? What's purpose of it?

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What does this mean : '$_' ?

Latest Answer: The most commonly used global scalar variable is the $_ variable. Many Perl functionsand operators modify the contents of $_ if you do not explicitly specify the scalarvariable on which they are to operate.The following functions and operators work with ...

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What are regular expressions?

Latest Answer: Regular Expresiions is the heart of Perl language.Using this we can search and raplace with partcular pattern in a given text.We can read a file and replace all occurances of some word or pattern with some other.Eg: In a given text you want to replace ...

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