A code block can sometimes be a rather generic term, referring to some amorphous section of a program or a few lines of code. In Batch, it’s a well-defined entity: one or more commands in between a set of open and close parentheses. A prominent example is the code often executed when an if command is true.
That seems simple enough, but it’s far more difficult to use a code block properly and wisely than it is to define it. A very powerful feature of Batch is that delayed expansion allows you to resolve variables in two distinct ways inside a code block, but the uninitiated often misinterpret that functionality as a bug. In ...
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