On 2010-03-30, at 16:25 , Juan Jose Garcia-Ripoll wrote:
On Tue, Mar 30, 2010 at 4:19 PM, Robert Goldman
<[email protected]> wrote:
On 3/29/10 Mar 29 -6:42 PM, Faré wrote:
> One site per system looks like it will quickly pollute the host
> namespace. What about we instead use a single logical host with
> subdirectories?
>
> #P"COMMON-LISP:SYSTEMS;CL-PPCRE;CL-PPCRE.ASD"
>
> The problem I have with this approach with logical pathnames at
all is
> that I don't understand whether or not mixed case and other
characters
> are allowed at all.
They are not.
The syntax of logical pathname namestrings is
"word---one or more uppercase letters, digits, and hyphens."
This causes pain when working with people
WhoLikeOtherProgrammingLanguages.
No, it does not cause any problem. If you have data that has weird
names, but you know where they live in your system,
designators for auxiliary files is not the issue.
then instead of using ASDF to query the paths you can simply query
the logical hostname and merge the resulting path with the
"nonstandard" components.
So, instead of calling ASDF to locate your system, query its
pathname, etc, you would do
(defvar *my-code-base-path* (translate-logical-pathname "MY-SYSTEM:"))
(defvar *my-nonstandard-component* (merge-pathname "foo/
MixedCaseWith#WeirdChars.dat" *my-code-base-path*))
the problem arises when asdf itself needs to designate such files.
a portable mechanism to achieve that approaches reimplementing the
logical pathname subsystem.
just check out the pathname tests, put some nonconformant names in
the test specification and watch them fail.
differently in each implementation.
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