fix souffle-compile argument parsing #2191
Merged
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It appears the
souffle-compile
executable/script behaves incorrectly on missing and/or invalid file CLI arguments.E.g., after executing the following:
there is no
foo.java
, as the second line deletes the file created by the first. Similarly, not providing an argument or providing an argument with no corresponding file does not error in the expected way.This PR I believes remedies these issues. (At least in some simple hand tests these changes cause the expected error messages to be raised describing what went wrong.)