[m-dev.] cvspatch

[Zoltan Somogyi]

> Good script. If you submitted it as the answer to a 252 prac exam
> question it wouldn't get full marks though. You create a temporary file
> but don't use trap to make sure it doesn't get left behind... :-)

Actually, in this case, if the script is interrupted, you probably *want*
the patch file for the directory being processed to be left behind.

The bigger problem with the script is that the code for processing a directory
had to be duplicated. Unfortunately, the appropriate design technique (taught
in 244 and now in 254) does not work, because in sh there is no way to put
a line back into the input stream, and thus there is no way to implement
lookahead.

Zoltan.
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