19 Sep
2009
19 Sep
'09
11:45 a.m.
On Thu, 2009-09-17 at 11:58 +0200, Marcus D. Gabriel wrote:
-- | 'reduceFilePath' returns a pathname that is reduced to canonical -- form equivalent to that of ksh(1), that is, symbolic link names are -- treated literally when finding the directory name. See @cd -L@ of -- ksh(1). Specifically, extraneous separators @(\"/\")@, dot -- @(\".\")@, and double-dot @(\"..\")@ directories are removed.
reduceFilePath :: FilePath -> FilePath reduceFilePath = joinPath . filePathComponents
So it's like the existing System.Directory.canonicalizePath but it's pure and it does not do anything with symlinks. On the other hand because it's pure it can do something with non-local paths. Is there anything POSIX-specific about this? I don't see it. Duncan