fig08_12.pl

PERL语言资料 可以用于PERL程序设计

#!usr/bin/perl
# Fig 8.12: fig08_12.pl
# Capitalize all sentences.

use strict;
use warnings;

my $string1 = "lets see. there should be two things capitalized.";
my $string2 = "This string is fine.";
my $string3 = "this could use some work. what needs to be fixed?";
my $string4 = "yes! another string to be capitalized.";
my $string5 = "all done? yes.";

capitalize( $string1 );
capitalize( $string2 );
capitalize( $string3 );
capitalize( $string4 );
capitalize( $string5 );

sub capitalize
{
   my $string = shift();
   print "$string\n";
   $string =~ s/(([.!?]|\A)\s*)([a-z])/$1\u$3/g;
   print "$string\n";
}

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