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flashingpumpkin/web_handler.erl

Created August 28, 2011 23:30
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web_handler.erl
normpath(Path) ->
filename:join(normpath(filename:split(Path), [])).
normpath([], Acc) ->
lists:reverse(Acc);
normpath([".." | Rest], [Prev|Acc]) ->
normpath(Rest, Acc);
normpath([Head|Rest], Acc) ->
normpath(Rest, [Head|Acc]).
-ifdef(TEST).
-include_lib("eunit/include/eunit.hrl").
normpath_test()->
?assertEqual("/home/foo", normpath("/home/bar/../foo")),
?assertEqual("/etc/foo", normpath("/home/bar/../../etc/foo")).
-endif.
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