COBOL 语言 数据压缩与解压缩算法集成

COBOL阿木 发布于 2025-06-14 6 次阅读


阿木博主一句话概括:COBOL语言在数据压缩与解压缩算法集成中的应用

阿木博主为你简单介绍:
随着信息技术的飞速发展,数据量呈爆炸式增长,如何高效地存储和传输数据成为了一个重要课题。数据压缩技术作为一种有效的数据存储和传输手段,在各个领域得到了广泛应用。本文将探讨在COBOL语言中集成数据压缩与解压缩算法,以提高数据处理的效率。

关键词:COBOL;数据压缩;解压缩;算法集成

一、

COBOL(Common Business-Oriented Language)是一种历史悠久的高级程序设计语言,广泛应用于商业、金融、政府等领域。尽管COBOL语言在技术上不如现代编程语言先进,但其稳定性和可靠性使其在许多企业中仍然占据重要地位。本文旨在探讨如何在COBOL语言中集成数据压缩与解压缩算法,以提高数据处理的效率。

二、数据压缩与解压缩算法概述

1. 数据压缩算法

数据压缩算法主要分为无损压缩和有损压缩两种。无损压缩算法在压缩过程中不丢失任何信息,解压缩后可以完全恢复原始数据;有损压缩算法在压缩过程中会丢失部分信息,但可以显著减小数据量。

常见的无损压缩算法有Huffman编码、LZ77、LZ78等;常见的有损压缩算法有JPEG、MP3等。

2. 解压缩算法

解压缩算法与压缩算法相对应,用于将压缩后的数据恢复为原始数据。解压缩算法通常与压缩算法一一对应,以保证数据的完整性和准确性。

三、COBOL语言中的数据压缩与解压缩算法集成

1. 选择合适的压缩算法

在COBOL语言中集成数据压缩与解压缩算法,首先需要选择合适的压缩算法。考虑到COBOL语言的特性和应用场景,本文选择Huffman编码作为数据压缩算法。

2. 实现Huffman编码算法

Huffman编码算法是一种基于字符频率的压缩算法,其基本思想是构建一个最优的前缀编码树,将字符映射到对应的编码。以下是Huffman编码算法的COBOL实现:

```
IDENTIFICATION DIVISION.
PROGRAM-ID. HUFFMAN-CODE.

ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT INPUT-FILE ASSIGN TO "input.txt".
SELECT OUTPUT-FILE ASSIGN TO "output.txt".

DATA DIVISION.
FILE SECTION.
FD INPUT-FILE.
01 INPUT-RECORD.
05 CHARACTERS PIC X(256).

FD OUTPUT-FILE.
01 OUTPUT-RECORD.
05 ENCODED-CHARACTERS PIC X(256).

WORKING-STORAGE SECTION.
01 CHAR-FREQUENCY.
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC X(256) VALUE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".
05 FILLER PIC X(256) VALUE "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz".
05 FILLER PIC X(256) VALUE "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".
05 FILLER PIC