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Formatierte Ausgabe / Platzhalter ... aber wie ? (page 3)

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<< |< 1 2 3 >| >> 24 entries, 3 pages
guest Gwen@Linux
 2021-10-05 11:44
#193621 #193621
2021-10-05T08:23:33 alzach
nun ja, ich arbeite mit W10 und möchte den Perl-Interpreter nicht unbedingt installieren, da ich ihn ohnehin nicht oft benötige, aber mit dem experimentieren auf der Konsole hast du natürlich grundsätzlich recht.
Es gibt Strawberry Perl als Portable (nur für dich als Nutzer, kein Install nötig) ⇒ https://strawberryperl.com/releases.html
Last edited: 2021-10-05 15:19:09 +0200 (CEST)
hlubenow
 2021-10-06 20:52
#193622 #193622
User since
2009-02-22
824 articles
BenutzerIn
[default_avatar]
Na ja, wahrscheinlich kann man das "Layout" noch verbessern:
Code (perl): (dl )
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#!/usr/bin/perl

use warnings;
use strict;

sub toEUR {
    my $n = shift;
    $n =~ s/\,/./;
    if ($n =~ /\,/) {
        print "\nError: Too many commas in '$n'.\n\n";
        exit 1;
    }
    $n = sprintf("%.02f", $n);
    $n =~ s/\./,/;
    if ($n =~ /\./) {
        print "\nError: Too many points in '$n'.\n\n";
        exit 2;
    }
    return $n;
}

sub print_formatted {
    # @fields: $quantity, $id, $name, $price, $addtlinfo:
    my @fields = @_;
    $fields[3] = toEUR($fields[3]);
    my @formats = ([5, "r"], [7, "r"], [40, "l"],
                   [6, "r"], [20, "r"]);
    my $separator = " ";
    my $s = "";
    my $i;
    my @v;
    my $spaces;
    for $i (0 .. $#formats) {
        @v = @{$formats[$i]};
        if (length($fields[$i]) > $v[0]) {
            print "\nError: Length of '$fields[$i]' shouldn't be bigger than $v[0].\n\n";
            exit 3;
        }
        $spaces = " " x ($v[0] - length($fields[$i]));
        if ($v[1] eq "r") {
            $s .= $spaces;
            $s .= $fields[$i];
        } else {
            $s .= $fields[$i];
            $s .= $spaces;
        }
        if ($i == 3) {
            $s .= " Euro  ";
        } else {
            $s .= $separator;
        }
    }
    print "$s\n";
}

my $youremail = "you\@email.de";
my $b_email   = "me\@email.de";

my $day = 3;
my @months = qw(Januar Februar März April Mai Juni Juli August September Oktober November Dezember);
my $month = 9;
my $year = 2021;
my $hour = 14;
my $min = 10;
my $sec = 50;

my $b_first = "Max";
my $b_last  = "Mustermann";
my $b_addr  = "";
my $b_addr2 = "Mustergasse 15";
my $b_zip   = 54321;
my $b_city  = "München";
my $b_phone = "01234/5678";
my $b_fax   = "01234/56710";

my $QUANTITY_1 = 10;
my $QUANTITY_2 = 10;
my $QUANTITY_3 = 10;
my $QUANTITY_4 = 10;
my $QUANTITY_5 = 10;
my $QUANTITY_6 = 10;

my $ID_1 = 12345;
my $ID_2 = 12345;
my $ID_3 = 12345;
my $ID_4 = 12345;
my $ID_5 = 12345;
my $ID_6 = 12345;

my $NAME_1 = "Mustermann";
my $NAME_2 = "Mustermann";
my $NAME_3 = "Mustermann";
my $NAME_4 = "Mustermann";
my $NAME_5 = "Mustermann";
my $NAME_6 = "Mustermann";

my $PRICE_1 = 5;
my $PRICE_2 = 250.75;
my $PRICE_3 = 3;
my $PRICE_4 = 125;
my $PRICE_5 = 25;
my $PRICE_6 = 0.25;


my $ADDTLINFO_1 = "Angebot";
my $ADDTLINFO_2 = "Angebot";
my $ADDTLINFO_3 = "Angebot";
my $ADDTLINFO_4 = "Angebot";
my $ADDTLINFO_5 = "Angebot";
my $ADDTLINFO_6 = "Angebot";

print "To: $youremail\n";
print "From: $b_email\n";   
print "Subject: Online Bestellung\n";
print "\n\n";
print "Online Bestellung.\n";
print "\n";
print "Bestelldatum:  $day. $months[$month] $year $hour:$min:$sec \n"; 
print " \n";
print "Rechnungsanschrift: \n";
print "-------- \n";
print "   $b_first $b_last \n";
print "   $b_addr \n";
print "   $b_addr2 \n";
print "   $b_zip $b_city  \n";
print "   $b_phone \n";
print "   $b_fax \n";
print "   $b_email \n";
print " \n";
print " \n";
print "Menge Produkt Name" . " " x 36 . "  Preis(Euro) " . " " x 16 . "Info\n";
print "========================================================================================\n";

print_formatted($QUANTITY_1, $ID_1, $NAME_1, $PRICE_1, $ADDTLINFO_1);

if( $NAME_2 ) {
    print_formatted($QUANTITY_2, $ID_2, $NAME_2, $PRICE_2, $ADDTLINFO_2);
}
if( $NAME_3 ) {
    print_formatted($QUANTITY_3, $ID_3, $NAME_3, $PRICE_3, $ADDTLINFO_3);
}
if( $NAME_4 ) {
    print_formatted($QUANTITY_4, $ID_4, $NAME_4, $PRICE_4, $ADDTLINFO_4);
}
if( $NAME_5 ) {
    print_formatted($QUANTITY_5, $ID_5, $NAME_5, $PRICE_5, $ADDTLINFO_5);
}
if( $NAME_6 ) {
    print_formatted($QUANTITY_6, $ID_6, $NAME_6, $PRICE_6, $ADDTLINFO_6);
}

Last edited: 2021-10-06 21:02:25 +0200 (CEST)
hlubenow
 2021-10-07 09:55
#193623 #193623
User since
2009-02-22
824 articles
BenutzerIn
[default_avatar]
Um die Daten von Kunden, Produkten und Aufträgen zu organisieren, eignen sich übrigens Objekte wunderbar. Ich würde die Daten also so organisieren. Allerdings liefert die Dein Programm leider nicht so, das ist also nur theoretisch. Aber wäre schon cool:
Code (perl): (dl )
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#!/usr/bin/perl

use warnings;
use strict;

package Customer {

    sub new {
        my $classname = shift;
        my $self = {};
        $self->{name} = shift;
        return bless($self, $classname);
    }
}

package Product {

    sub new {
        my $classname = shift;
        my $self = {};
        $self->{price} = shift;
        return bless($self, $classname);
    }

}

package Order {

    sub new {
        my $classname = shift;
        my $self = {};
        $self->{id}        = shift;
        $self->{quantity}  = shift;
        $self->{customer}  = shift;
        $self->{product}   = shift;
        $self->{addtlinfo} = shift;
        return bless($self, $classname);
    }
}

sub toEUR {
    my $n = shift;
    $n =~ s/\,/./;
    if ($n =~ /\,/) {
        print "\nError: Too many commas in '$n'.\n\n";
        exit 1;
    }
    $n = sprintf("%.02f", $n);
    $n =~ s/\./,/;
    if ($n =~ /\./) {
        print "\nError: Too many points in '$n'.\n\n";
        exit 2;
    }
    return $n;
}

sub print_formatted {
    # @fields: $quantity, $id, $name, $price, $addtlinfo:
    my @fields = @_;
    $fields[3] = toEUR($fields[3]);
    my @formats = ([5, "r"], [7, "r"], [40, "l"],
                   [6, "r"], [20, "r"]);
    my $separator = " ";
    my $s = "";
    my $i;
    my @v;
    my $spaces;
    for $i (0 .. $#formats) {
        @v = @{$formats[$i]};
        if (length($fields[$i]) > $v[0]) {
            print "\nError: Length of '$fields[$i]' shouldn't be bigger than $v[0].\n\n";
            exit 3;
        }
        $spaces = " " x ($v[0] - length($fields[$i]));
        if ($v[1] eq "r") {
            $s .= $spaces;
            $s .= $fields[$i];
        } else {
            $s .= $fields[$i];
            $s .= $spaces;
        }
        if ($i == 3) {
            $s .= " Euro  ";
        } else {
            $s .= $separator;
        }
    }
    print "$s\n";
}

my @customers = ();
push(@customers, Customer->new("Mueller"));
push(@customers, Customer->new("Meier"));
push(@customers, Customer->new("Schulze"));
push(@customers, Customer->new("Schmidt"));
push(@customers, Customer->new("Schulz"));
push(@customers, Customer->new("Scholz"));

my @products = ();
push(@products, Product->new(5));
push(@products, Product->new(250.75));
push(@products, Product->new(3));
push(@products, Product->new(125));
push(@products, Product->new(25));
push(@products, Product->new(0.25));

my @orders = ();
push(@orders, Order->new(12345, 10, $customers[2], $products[0], "Angebot"));
push(@orders, Order->new(12346, 25, $customers[1], $products[4], "Aktion"));
push(@orders, Order->new(12347, 75, $customers[0], $products[5], "Reduziert"));
push(@orders, Order->new(12348, 100, $customers[3], $products[1], "Sonderangebot"));
push(@orders, Order->new(12349, 2, $customers[4], $products[2], "Billig"));
push(@orders, Order->new(12350, 14, $customers[5], $products[3], "Lieferung"));

print "\nMenge Produkt Name" . " " x 36 . "  Preis(Euro) " . " " x 16 . "Info\n";
print "========================================================================================\n";

my $order;
for $order (@orders) {
    print_formatted($order->{quantity},
                    $order->{id},
                    $order->{customer}->{name},
                    $order->{product}->{price},
                    $order->{addtlinfo}
    );
}

print "\n";

Last edited: 2021-10-07 09:58:21 +0200 (CEST)
hlubenow
 2021-10-08 13:25
#193624 #193624
User since
2009-02-22
824 articles
BenutzerIn
[default_avatar]
Und hier noch eine "Deluxe-Version". :)
Man kann dann z.B. die Aufträge ("order") direkt zu den Kunden ("customer") speichern:
Code (perl): (dl )
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#!/usr/bin/perl

use warnings;
use strict;

package Customer {

    sub new {
        my $classname = shift;
        my $args = {@_}; 
        my $self = { id   => $args->{id},
                     name => $args->{name} };
        $self->{orders} = [];
        return bless($self, $classname); 
    }           

    sub updateOrders {
        my $self = shift;
        my @orders = @_;
        my $order;
        foreach $order (@orders) {
            if ($self->{id} eq $order->{customer}->{id}) {
                push($self->{orders}, $order);
            }
        }
    }

    sub getOrders {
        my $self = shift;
        return @{ $self->{orders} };
    }
}

package Product {

    sub new {
        my $classname = shift;
        my $args = {@_}; 
        my $self = { price   => $args->{price} };
        return bless($self, $classname);
    }

}

package Order {

    sub new {
        my $classname = shift;
        my $args = {@_}; 
        my $self = { id        => $args->{id},
                     quantity  => $args->{quantity},
                     customer  => $args->{customer},
                     product   => $args->{product},
                     addtlinfo => $args->{addtlinfo} };
        return bless($self, $classname);
    }
}

sub toEUR {
    my $n = shift;
    $n =~ s/\,/./;
    if ($n =~ /\,/) {
        print "\nError: Too many commas in '$n'.\n\n";
        exit 1;
    }
    $n = sprintf("%.02f", $n);
    $n =~ s/\./,/;
    if ($n =~ /\./) {
        print "\nError: Too many points in '$n'.\n\n";
        exit 2;
    }
    return $n;
}

sub print_formatted {
    # @fields: $quantity, $id, $name, $price, $addtlinfo:
    my @fields = @_;
    $fields[3] = toEUR($fields[3]);
    my @formats = ([5, "r"], [7, "r"], [40, "l"],
                   [6, "r"], [20, "r"]);
    my $separator = " ";
    my $s = "";
    my $i;
    my @v;
    my $spaces;
    for $i (0 .. $#formats) {
        @v = @{$formats[$i]};
        if (length($fields[$i]) > $v[0]) {
            print "\nError: Length of '$fields[$i]' shouldn't be bigger than $v[0].\n\n";
            exit 3;
        }
        $spaces = " " x ($v[0] - length($fields[$i]));
        if ($v[1] eq "r") {
            $s .= $spaces;
            $s .= $fields[$i];
        } else {
            $s .= $fields[$i];
            $s .= $spaces;
        }
        if ($i == 3) {
            $s .= " Euro  ";
        } else {
            $s .= $separator;
        }
    }
    print "$s\n";
}

my @customers = ();
push(@customers, Customer->new(id   => 1,
                               name => "Mueller"));
push(@customers, Customer->new(id   => 2,
                               name => "Meier"));
push(@customers, Customer->new(id   => 3,
                               name => "Schulze"));
push(@customers, Customer->new(id   => 4,
                               name => "Schmidt"));
push(@customers, Customer->new(id   => 5,
                               name => "Schulz"));
push(@customers, Customer->new(id   => 6,
                               name => "Scholz"));

my @products = ();
push(@products, Product->new(price => 5));
push(@products, Product->new(price => 250.75));
push(@products, Product->new(price => 3));
push(@products, Product->new(price => 125));
push(@products, Product->new(price => 25));
push(@products, Product->new(price => 0.25));

my @orders = ();
push(@orders, Order->new(id        => 12345,
                         quantity  => 10,
                         customer  => $customers[2],
                         product   => $products[0],
                         addtlinfo => "Angebot"));

push(@orders, Order->new(id        => 12346,
                         quantity  => 25,
                         customer  => $customers[1],
                         product   => $products[4],
                         addtlinfo => "Aktion"));

push(@orders, Order->new(id        => 12347,
                         quantity  => 75,
                         customer  => $customers[0],
                         product   => $products[5],
                         addtlinfo => "Reduziert"));

push(@orders, Order->new(id        => 12348,
                         quantity  => 100,
                         customer  => $customers[3],
                         product   => $products[1],
                         addtlinfo => "Sonderangebot"));

push(@orders, Order->new(id        => 12349,
                         quantity  => 2,
                         customer  => $customers[4],
                         product   => $products[2],
                         addtlinfo => "Billig"));

push(@orders, Order->new(id        => 12350,
                         quantity  => 14,
                         customer  => $customers[5],
                         product   => $products[3],
                         addtlinfo => "Lieferung"));

print "\nMenge Produkt Name" . " " x 36 . "  Preis(Euro) " . " " x 16 . "Info\n";
print "========================================================================================\n";

my $order;
for $order (@orders) {
    print_formatted($order->{quantity},
                    $order->{id},
                    $order->{customer}->{name},
                    $order->{product}->{price},
                    $order->{addtlinfo}
    );
}

print "\n";

my $customer;
foreach $customer (@customers) {
    $customer->updateOrders(@orders);
}

my @o;
my $i;
foreach $customer (@customers) {
    print "\nCustomer '$customer->{name}' has the following orders:\n\n";
    @o = $customer->getOrders();
    foreach $i (@o) {
        print_formatted($i->{quantity},
                        $i->{id},
                        $i->{customer}->{name},
                        $i->{product}->{price},
                        $i->{addtlinfo});
    }
}
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View all threads created 2008-06-26 11:29.