Ant FilterSet

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最新推荐文章于 2023-04-11 08:00:00 发布

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分类专栏： Continious Integration 文章标签： ant token date filter properties string

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本文介绍Ant构建工具中Filterset的功能及使用方法，包括属性配置、示例代码等，帮助读者理解如何利用Filterset进行文件复制过程中的文本替换。

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FilterSet是一组Filter的集合，那什么是Filter，这个词英文的意思是过滤。Filtersets are used for doing replacements in tasks such as <copy> , etc.

Attribute	Description	Default	Required
begintoken	The string marking the beginning of a token (eg., `@DATE@` ).	@	No
endtoken	The string marking the end of a token (eg., `@DATE@` ).	@	No
filtersfile	Specify a single filtersfile.	none	No
recurse	Indicates whether the replacement text of tokens should be searched for more tokens. Since Ant 1.6.3	true	No
onmissingfiltersfile	Indicate behavior when a nonexistent filtersfile is specified. One of "fail", "warn", "ignore". Since Ant 1.7	"fail"	No

Filter

Attribute	Description	Required
token	The token to replace (eg., `@DATE@` )	Yes
value	The value to replace it with (eg., `Thursday, April 26, 2001` ).	Yes

Filtersfile

Attribute	Description	Required
file	A properties file of name-value pairs from which to load the tokens.	Yes

看个例子：

<copy file="${build.dir}/version.txt" toFile="${dist.dir}/version.txt">



  <filterset begintoken="%" endtoken="*">



    <filter token="DATE" value="${TODAY}"/>



  </filterset>



</copy>

copying the version.txt


 file to the dist


directory from the build directory but wish to replace the token %DATE*


 with today's date.