getopt('pMN'); : Getopt « System Functions « Perl

getopt('pMN');

      





use Getopt::Std;



getopt('pMN');



print "-p switch: $opt_p, -M switch: $opt_M, -N switch: $opt_N";

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4.	Extract command-line switches with Getopt::Std
5.	Perform consistent command line parsing
6.	Process complex command lines
7.	Read from a file
8.	To turn a feature on or off. Use the exclamation point(!)
9.	Using Getopt to deal with command line options
10.	If the value is optional, use a colon
11.	For a text string value, use :s for an optional value or =s for a required value:
12.	Check if a file exists
13.	A double dash (--) by itself signals the end of the command-line switches.

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