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Extract code for reading a line at a time, from head/tail/wc builtins #60
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fileLines() is slightly different from what these utilities were doing: it exposes the lines as a generator so that they can be iterated. Internally it still reads the entire input files, but in future it can be modified to only read one line at a time, without having to modify the code that uses it.
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fileLines() is slightly different from what these utilities were doing: it exposes the lines as a generator so that they can be iterated. Internally it still reads the entire input files, but in future it can be modified to only read one line at a time, without having to modify the code that uses it.