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Once you have created a stream for reading,
you can read information from the corresponding file. For example, to read
an alphanumeric string from a file, bounded by nonalphanumeric characters,
you send a nextWord message to the stream. Assuming that
inputStream is a local variable with an input-stream assignment, the
following reads a string from the corresponding file, and converts that
string into an Integer instance.
inputStream nextWord asInteger