Various utility methods for processing Java tool command line arguments.
WARNING: The contents of this source file are not part of any
supported API. Code that depends on them does so at its own risk:
they are subject to change or removal without notice.
Process Win32-style command files for the specified command line
arguments and return the resulting arguments. A command file argument
is of the form '@file' where 'file' is the name of the file whose
contents are to be parsed for additional arguments. The contents of
the command file are parsed using StreamTokenizer and the original
'@file' argument replaced with the resulting tokens. Recursive command
files are not supported. The '@' character itself can be quoted with
the sequence '@@'.