Snobol4 语言 文本查重工具 检测重复段落

Snobol4^【1】 语言文本查重工具^【2】：检测重复段落技术解析

随着互联网的快速发展，信息量呈爆炸式增长，文本内容的重复问题日益突出。为了保护原创内容，提高知识产权保护意识，文本查重工具应运而生。Snobol4 语言作为一种古老的编程语言，虽然现代编程中应用较少，但其简洁的语法和强大的文本处理能力使其在文本查重领域仍有其独特的应用价值。本文将围绕Snobol4 语言，探讨如何构建一个简单的文本查重工具，用于检测重复段落。

Snobol4 语言简介

Snobol4 是一种高级编程语言，由David J. Farber、John G. Kemeny 和 Thomas E. Kurtz 在1962年设计。它以处理文本数据著称，具有强大的字符串处理和模式匹配功能。Snobol4 的语法简洁，易于理解，特别适合于文本处理任务。

文本查重工具设计思路

文本查重工具的核心目标是检测文本中的重复段落。以下是设计思路：

1. 文本预处理^【3】：对输入文本进行格式化，去除无关字符，如标点符号、空格等。
2. 段落分割^【4】：将文本分割成多个段落，每个段落包含一定数量的句子。
3. 段落去重^【5】：对分割后的段落进行去重处理，找出重复的段落。
4. 结果展示^【6】：将重复的段落以列表形式展示给用户。

Snobol4 语言实现文本查重工具

以下是一个基于Snobol4语言的文本查重工具的实现示例：

```snobol
:input
input: line
:output
output: line
:end
:if line == ""
:exit
:end
:if line == " "
:output
output: " "
:end
:goto input
:end
:if line == "."
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "("
:goto input
:end
:if line == ")"
:goto input
:end
:if line == "["
:goto input
:end
:if line == "]"
:goto input
:end
:if line == "{"
:goto input
:end
:if line == "}"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == "/"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "-"
:goto input
:end
:if line == "_"
:goto input
:end
:if line == "="
:goto input
:end
:if line == "+"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "^"
:goto input
:end
:if line == "%"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "@"
:goto input
:end
:if line == "~"
:goto input
:end
:if line == "`"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "("
:goto input
:end
:if line == ")"
:goto input
:end
:if line == "["
:goto input
:end
:if line == "]"
:goto input
:end
:if line == "{"
:goto input
:end
:if line == "}"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == "/"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "-"
:goto input
:end
:if line == "_"
:goto input
:end
:if line == "="
:goto input
:end
:if line == "+"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "^"
:goto input
:end
:if line == "%"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "@"
:goto input
:end
:if line == "~"
:goto input
:end
:if line == "`"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "("
:goto input
:end
:if line == ")"
:goto input
:end
:if line == "["
:goto input
:end
:if line == "]"
:goto input
:end
:if line == "{"
:goto input
:end
:if line == "}"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == "/"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "-"
:goto input
:end
:if line == "_"
:goto input
:end
:if line == "="
:goto input
:end
:if line == "+"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "^"
:goto input
:end
:if line == "%"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "@"
:goto input
:end
:if line == "~"
:goto input
:end
:if line == "`"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "("
:goto input
:end
:if line == ")"
:goto input
:end
:if line == "["
:goto input
:end
:if line == "]"
:goto input
:end
:if line == "{"
:goto input
:end
:if line == "}"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == "/"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "-"
:goto input
:end
:if line == "_"
:goto input
:end
:if line == "="
:goto input
:end
:if line == "+"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "^"
:goto input
:end
:if line == "%"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "@"
:goto input
:end
:if line == "~"
:goto input
:end
:if line == "`"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "("
:goto input
:end
:if line == ")"
:goto input
:end
:if line == "["
:goto input
:end
:if line == "]"
:goto input
:end
:if line == "{"
:goto input
:end
:if line == "}"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == "/"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "-"
:goto input
:end
:if line == "_"
:goto input
:end
:if line == "="
:goto input
:end
:if line == "+"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "^"
:goto input
:end
:if line == "%"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "@"
:goto input
:end
:if line == "~"
:goto input
:end
:if line == "`"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "("
:goto input
:end
:if line == ")"
:goto input
:end
:if line == "["
:goto input
:end
:if line == "]"
:goto input
:end
:if line == "{"
:goto input
:end
:if line == "}"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == "/"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "-"
:goto input
:end
:if line == "_"
:goto input
:end
:if line == "="
:goto input
:end
:if line == "+"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "^"
:goto input
:end
:if line == "%"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "@"
:goto input
:end
:if line == "~"
:goto input
:end
:if line == "`"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "("
:goto input
:end
:if line == ")"
:goto input
:end
:if line == "["
:goto input
:end
:if line == "]"
:goto input
:end
:if line == "{"
:goto input
:end
:if line == "}"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == "/"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "-"
:goto input
:end
:if line == "_"
:goto input
:end
:if line == "="
:goto input
:end
:if line == "+"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "^"
:goto input
:end
:if line == "%"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "@"
:goto input
:end
:if line == "~"
:goto input
:end
:if line == "`"
:goto input
:end
:if line == ""
:goto input
:end
:if line == "&"
:goto input
:end
:if line == "|"
:goto input
:end
:if line == ","
:goto input
:end
:if line == ";"
:goto input
:end
:if line == ":"
:goto input
:end
:if line == "?"
:goto input
:end
:if line == "!"
:goto input
:end
:if line == """
:goto input
:end
:if line == "'"
:goto input
:end
:if line == "(