blocks|key|1090949|text|是的，试试Copy+Paste+Detector吧。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1090950|entityMap|0|LINK|mutability|MUTABLE|url|https://pmd.github.io/#about^0|5|J|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Yes, try the <a href="https://pmd.github.io/#about" rel="nofollow noreferrer">Copy Paste Detector</a>.

blocks|key|1306256|text|http://patterninsight.com/products/cp-miner.php|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1306257|相关论文-+http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.123.113|1306258|entityMap|0|LINK|mutability|MUTABLE|url|1|http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.123.113^0|0|1B|0|0|6|1R|1|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@$A|P|B|Q|1|R]]|C|$]]|$1|D|3|E|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|F|3|-4|5|6|7|W|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|4]]|M|$5|I|J|K|C|$L|N]]]]

<a href="http://patterninsight.com/products/cp-miner.php" rel="nofollow noreferrer">http://patterninsight.com/products/cp-miner.php</a>
 Related paper - <a href="http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.123.113" rel="nofollow noreferrer">http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.123.113</a>

blocks|key|1091082|text|我们的CloneDR是一个工具，用于查找由复制和粘贴活动构建的准确和几乎未命中的代码块。它可以处理数百万行代码的系统。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1091083|它使用精确的语言语法来挑选语言结构(标识符、表达式、语句、块、函数、类、包等)。并确定克隆集之间的变异点(这些结构中的任何一个都可以是参数！)|1091084|CloneDR可以在多种语言上运行:+C、C%2B%2B、C#、Java、PHPCOBOL语言、Python语言、Ada语言、fortran语言、eGL语言和visual+basic+(VBScript、VB6、VB.net)。|1091085|该网站有许多来自这些语言的克隆检测报告样本。|1091086|此产品可在http://www.semanticdesigns.com上进行评估。其他开源替代方案是Simian和PMD+CPD|1091087|entityMap|0|LINK|mutability|MUTABLE|url|http://www.semanticdesigns.com/Products/Clone|1|http://www.semanticdesigns.com/|2|http://www.harukizaemon.com/simian/|3|http://pmd.sourceforge.net/cpd.html^0|3|7|0|0|0|0|0|5|U|1|1E|6|2|1L|7|3|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@$A|10|B|11|1|12]]|C|$]]|$1|D|3|E|5|6|7|13|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|14|8|@]|9|@]|C|$]]|$1|H|3|I|5|6|7|15|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|16|8|@]|9|@$A|17|B|18|1|19]|$A|1A|B|1B|1|1C]|$A|1D|B|1E|1|1F]]|C|$]]|$1|L|3|-4|5|6|7|1G|8|@]|9|@]|C|$]]]|M|$N|$5|O|P|Q|C|$R|S]]|T|$5|O|P|Q|C|$R|U]]|V|$5|O|P|Q|C|$R|W]]|X|$5|O|P|Q|C|$R|Y]]]]

Our <a href="http://www.semanticdesigns.com/Products/Clone" rel="nofollow noreferrer">CloneDR</a> is a tool for finding exact and near-miss blocks of code constructed by copy and paste activities.
It can handle systems of millions of lines of code.

It uses precise language grammars to pick out language structures (identifiers, expressions, statements, blocks, functions, classes, packages, ...) that have been copied, and to determine the points of variation across the sets of clones (any of those structures can be parameters!)

CloneDR operates on a wide variety of languages: C, C++, C#, Java, PHP, COBOL, Python, Ada, Fortran, EGL and visual basic (VBScript, VB6, VB.net).

The website has a number of sample clone detection reports from a variety of those languages.

This product is available for evaluation on <a href="http://www.semanticdesigns.com" rel="nofollow noreferrer">http://www.semanticdesigns.com</a>. Other open source alternatives are <a href="http://www.harukizaemon.com/simian/" rel="nofollow noreferrer">Simian</a> and <a href="http://pmd.sourceforge.net/cpd.html" rel="nofollow noreferrer">PMD CPD</a>

blocks|key|1306347|text|Python和Java的CloneDigger。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1306348|entityMap|0|LINK|mutability|MUTABLE|url|http://clonedigger.sourceforge.net/^0|C|B|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://clonedigger.sourceforge.net/" rel="nofollow noreferrer">CloneDigger</a> for Python and Java.

Are there tools out there which could automatically find copy-and-paste code among a set of files?

I was thinking of writing a script for this, which would just search for equal strings, but such script would find mostly irrelevant equalities. (Such as <code>private final static ...</code>).

Do tools exist which automatically find copy-and-paste code?

Python

Java

有没有工具可以在一组文件中自动找到复制和粘贴代码？我正在考虑为此编写一个脚本，它只会搜索相等的字符串，但这样的脚本会找到几乎不相关的等式。(如private final static ...)。

问是否存在自动查找复制粘贴代码的工具？
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