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Answer Posted / mac
1. When you are developing an application for a real time
system in which processing speed is of utmost importnace
When to use Perl
1. For large text processing
2. When application does lot of data manipulation
3. When you need fast development
4. For database loading operations
5. When shell scrits grow to become libraries
| Is This Answer Correct ? | 9 Yes | 4 No |
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package MYCALC; use Exporter; our @EXPORT = (); our @ISA = qw(Exporter); our @EXPORT_OK = qw(addition multi); our %EXPORT_TAGS = (DEFAULT => [qw(&addition)],Both => [qw(&addition & +multi)]); sub addition { return $_[0] + $_[1]; } sub multi { return $_[0] * $_[1]; } 1; Program: use strict; use warnings; my @list = qw (2 2); use Module qw(:DEFAULT); print addition(@list),"\n"; Above coding is my module MYCALC and the program which using this module, I have not exported any function using @EXPORT, but I have used the DEFAULT in %EXPORT_TAGS with the function addition, when I call this function from the main it says the error as,
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