nAnt删除7天以上的文件 [英] nAnt Deleting files older than 7 days old

问题描述

我想创建一个目标，该目标可以清除特定文件夹中超过7天的日志文件.当我尝试在文件集内放入日期"元素时出现错误.我该怎么办?

I would like to create a target that cleans log files older than 7 days old in a specific folder. I get an error when I try to put in a "date" element inside a fileset. How can I go about this?

<delete>
    fileset basedir="${StageIISRoot}/MySite/App_Data/ErrorLog">
        <date datetime="${datetime::now() - timespan::from-days(7)}" when="before"/>
        <include name="*.xml" />
    </fileset>
</delete>

推荐答案

我看不到任何有关使用"date"元素的文档.您可能会考虑这样的事情:

I don't see any documentation for using the "date" element. You might consider something like this:

<fileset id="thelogs" basedir="${StageIISRoot}/MySite/App_Data/ErrorLog">
    <include name="*.xml" />
</fileset>

然后稍后在检查文件日期并删除的循环中引用该文件集:

And then reference that fileset later in a loop that checks the file date and deletes:

<foreach item="File" property="filename">
    <in>
        <items refid="thelogs" />
    </in>
    <do>
        <if test="${timespan::get-days(datetime::now() - file::get-last-write-time(filename)) >= 7}">
            <delete file="${filename}" />
        </if>
    </do>
</foreach>

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