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René Nussbaumer authored
This is mainly a wrapper to overcome the limitation of commonprefix which makes a string by string comparisation and reports the common prefix in both strings. However this is bad for directory handling. IsBelowDir works around this limitation and should be used in favour of commonprefix. Signed-off-by: René Nussbaumer <rn@google.com> Reviewed-by: Michael Hanselmann <hansmi@google.com>
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