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#!/usr/bin/env perl
#===============================================================================
#
# FILE: ZeichenZaeler.pl
#
# USAGE: ./ZeichenZaeler.pl
#
# DESCRIPTION: Zählt die häufichkeit der Zeichen in einem Text.
#
# OPTIONS: ---
# REQUIREMENTS: ---
# BUGS: ---
# NOTES: ---
# AUTHOR: Martin Talarczyk (MT), talarczyk.martin@fh-swf.de
# ORGANIZATION: FH Südwestfalen, Iserlohn
# Matrikel-Nr.: 10036162
# VERSION: 1.0
# CREATED: 22.10.2015 09:26:40
# REVISION: ---
#===============================================================================
use strict;
use warnings;
use utf8;
use English;
binmode (STDIN, ":encoding(UTF-8)");
binmode (STDOUT, ":encoding(UTF-8)");
binmode (STDERR, ":encoding(UTF-8)");
use open ":encoding(UTF-8)";
# suppress line reading
my $old_INPUT_RECORD_SEPARATOR = $/;
undef $INPUT_RECORD_SEPARATOR;
my $chapter_file_name = 'Stechlin-01.txt'; # input file
printf "Zweck : Auszählung der Buchstabenhäufigkeiten\n\n";
#open file
open my $chapter, '<', $chapter_file_name
or die "$0 : failed to open input file '$chapter_file_name' : $!\n";
printf "Eingabedatei : %s\n\n", $chapter_file_name;
printf "Tabelle der Zeichenhäufigkeiten :\n\n";
my $kapitel = <$chapter>;
my %haeufig;
my $zelen = 0;
while (my $char = chop $kapitel)
{
if ($char eq "\n")
{
$zelen++;
next;
}
$haeufig{$char}++;
}
close $chapter
or warn "$0 : failed to close input file '$chapter_file_name' : $!\n";
#close file
my $count = 0;
my $countChars = 0;
foreach my $char (sort keys %haeufig)
{
$count++;
$countChars += $haeufig{$char};
printf "%5s = %5d", $char, $haeufig{$char};
if($count % 3 == 0)
{
printf "\n";
}
}
printf "\n\n%5d Zeichen\n", $countChars;
printf "%5d Zeilenvorschübe\n", $zelen;
printf "%5d Zeichen insges.", $countChars + $zelen;
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