April 2022
Beginner to intermediate
486 pages
10h 22m
Chinese
Content preview from 云端基因组学
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用工作流自动执行分析任务
｜
237
b6d224b0-ccee-468f-83fa-ab2ce7e62ab7
（一次运行的唯一标识符）
call-WriteGreeting
（我们所调用的任务名）
execution
（执行文件的目录）
该结构的重要部分是工作流
/
标识符
/
调用三者的嵌套结构。后续练习，你将看到
同名工作流任意次运行都会在
HelloWorld
工作流目录下新增一个目录，而新目录使
用另一唯一标识符。
SingleWorkflowRunnerActor workflow finished with status 'Succeeded'.
=
嗨，一切顺利！
[2018-09-08 10:40:48,85] [info] Shutdown finished.
=
我完成全部工作。
再见啦！
我们第一次用
Cromwell
执行工作流就大功告成。你需关心的真就这么多。做得不错！
8.3.4
加个变量并以
JSON
格式提供输入
上面我们虽成功执行工作流，但实际工作中我们不会运行一个完全自包含的
WDL
文
件。因此，我们如何用变量引入外部输入，在工作流不同次的运行中改变变量值成为
我们亟须解决的难题。请用
nano
编辑器打开代码目录的
hello-world-var.wdl
文件：
$ nano $WF/hello-world/hello-world-var.wdl
你看到什么不同了吗？
workflow
块完全相同，但是
WriteGreeting
任务块的内容多
了一点：
task
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.