ch08.034_best

Perl Best Practices the source code

##############################################################################
##   Code fragment (Recommended) from Chapter 8 of "Perl Best Practices"    ##
##     Copyright (c) O'Reilly & Associates, 2005. All Rights Reserved.      ##
##  See: http://www.oreilly.com/pub/a/oreilly/ask_tim/2001/codepolicy.html  ##
##############################################################################


# Standard modules...
use strict;
use warnings;
use IO::Prompt;
use Carp;
use English qw( -no_match_vars );
use Data::Alias;
use Readonly;
use IO::File;

my $sales_data = $0;

my @sales;

sub translate_ID {
    my ($id) = @_;
    return $id;
}

use Text::CSV::Simple;
 
# Specify format...
my $csv_format 
    = Text::CSV::Simple->new({
          sep_char    => q{,},   # Fields are comma-separated
          escape_char => q{\\},  # Backslashed chars are always data
          quote_char  => q{"},   # Fields can be double-quoted
      });
 
# Specify field names in order (any other fields will be ignored)...
$csv_format->field_map( qw( ident sales price ) );
 
# Grab each line/record...
for my $record_ref ($csv_format->read_file($sales_data)) {
    push @sales, { 
        ident => translate_ID($record_ref->{ident}),
        sales => $record_ref->{sales} * 1000,
        price => $record_ref->{price},
    };
}



use Data::Dumper 'Dumper';
warn Dumper [ @sales ];


__DATA__
X123-S,"0000013247",00000199
SFG-AT,0000000102,00009099
"Y811,Q",0000100300,00000033