这个列表相当简单，并且您可能从其他编程语言认识了这些流控制语句。
This list is fairly simple, and you may recognize these flow control statements from other programming languages.
PERL是驱动语言，它控制构建或部署流，检查返回的代码，用设计好的构建和部署路径执行逻辑操作。
PERL is the driving language it controls the build or deployment flow, checks return codes and based on the logic executes through a designed build and deployment path.
所有语言都必须拥有某种控制计算流和表示数据的能力。
All languages must have some capability to control the flow of computation and represent data.
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