#3975: filepath: normalise trailing dot
---------------------------------+------------------------------------------
Reporter: conrad | Owner:
Type: proposal | Status: new
Priority: normal | Component: libraries/base
Version: 6.12.1 | Keywords: filepath normalise
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: Incorrect result at runtime
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This darcs patch modifies the behaviour of normalise to handle
trailing dots in a path. The previous behaviour yielded this:
{{{
Prelude System.FilePath> normalise "../."
"../."
Prelude System.FilePath> normalise ".././"
".././"
Prelude System.FilePath> normalise ".././.."
"../.."
}}}
This patch modifies dropDots such that the check for (".":[]) only
occurs once for the path, after which a driver function dropDots' is
used which skips this check. Hence "." can be removed from the end of
a longer path, but a path of just "." is unchanged.
http://www.haskell.org/pipermail/libraries/2010-February/013030.html
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3975>
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