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< span id = "id1" > < / span > < h1 > 批处理功能< a class = "headerlink" href = "#" title = "永久链接至标题" > ¶< / a > < / h1 >
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< div > 通过批处理功能， ， < / div > < / blockquote >
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< span id = "id2" > < / span > < h2 > 使用方法< a class = "headerlink" href = "#" title = "永久链接至标题" > ¶< / a > < / h2 >
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< span id = "id3" > < / span > < h3 > 第一步： 创建你的批处理脚本< a class = "headerlink" href = "#" title = "永久链接至标题" > ¶< / a > < / h3 >
< p > 这里我们新建了一个< code class = "docutils literal notranslate" > < span class = "pre" > test.as< / span > < / code > 脚本，为了规范，我们采用了.as后缀名， < / p >
< blockquote >
< div > < p > 注意事项< / p >
< ul class = "simple" >
< li > 目前需要每个命令占一行< / li >
< li > dashboard务必开启批处理模式(< code class = "docutils literal notranslate" > < span class = "pre" > -b< / span > < / code > )，指定执行次数(< code class = "docutils literal notranslate" > < span class = "pre" > -n< / span > < / code > )，否则会导致批处理脚本无法终止< / li >
< li > watch/tt/trace/monitor/stack等命令务必指定执行次数(< code class = "docutils literal notranslate" > < span class = "pre" > -n< / span > < / code > )，否则会导致批处理脚本无法终止< / li >
< li > 可以使用异步后台任务，如 < code class = "docutils literal notranslate" > < span class = "pre" > watch< / span > < span class = "pre" > c.t.X< / span > < span class = "pre" > test< / span > < span class = "pre" > returnObj< / span > < span class = "pre" > > < / span > < span class = "pre" > & < / span > < / code > ，让命令一直在后台运行，通过日志获取结果，< a class = "reference internal" href = "async.html" > < span class = "doc" > 获取更多异步任务的信息< / span > < / a > < / li >
< / ul >
< / div > < / blockquote >
< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > ➜ arthas git:(develop) cat /var/tmp/test.as
help
dashboard -b -n 1
session
thread
sc -d org.apache.commons.lang.StringUtils
< / pre > < / div >
< / div >
< / div >
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< span id = "id4" > < / span > < h3 > 第二步： 运行你的批处理脚本< a class = "headerlink" href = "#" title = "永久链接至标题" > ¶< / a > < / h3 >
< p > 通过< code class = "docutils literal notranslate" > < span class = "pre" > -b< / span > < / code > 开启批处理模式， < code class = "docutils literal notranslate" > < span class = "pre" > -f< / span > < / code > 执行脚本文件， 批处理脚本默认会输出到标准输出中，可以将结果重定向到文件中。< / p >
< div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > ./as.sh -b -f /var/tmp/test.as < span class = "m" > 56328< / span > > test.out
< / pre > < / div >
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< / div >
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< span id = "id5" > < / span > < h3 > 第三步： 查看运行结果< a class = "headerlink" href = "#" title = "永久链接至标题" > ¶< / a > < / h3 >
< div class = "highlight-sh notranslate" > < div class = "highlight" > < pre > < span > < / span > cat test.out
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