[tex-k] Unsupported extra colon in kpsewhich --expand-path
oberdiek at uni-freiburg.de
Sat Dec 15 10:10:04 CET 2007
On Fri, Dec 14, 2007 at 07:11:39PM -0600, Karl Berry wrote:
> Hi Heiko,
> This way --expand-path seems useless?
> Maybe, but it's intentional, as
> http://tug.org/texinfohtml/kpathsea.html#Default-expansion explains.
> --expand-path doesn't know anything about the formats (which is what's
> needed to do the defaults), it just does the "pure" envvar expansions.
The documentation says (kpathsea.pdf/TL2007):
| `--expand-path=string ' outputs the complete expansion of
| string as a colon-separated path.
| This is useful to construct a search path for a program
| that doesn't accept recursive subdirectory specifications.
| Nonexistent directories are culled from the output:
a) It isn't true. On Windows the path separator is ';', not ':'.
b) For what use is it to find the same files as
c) Nice feature.
> Is there a problem with using --show-path? Simply:
> kpsewhich --show-path=texmfscripts
* Basically unknown output format, e.g. path separator.
However it could be part of the solution:
1. getting path list as --show-path
2. modifiying path list to add the subdirs.
3. Feeding it back to kpathsea library for file search with ls-R support.
1. A function would be nice that does not concatenate the result,
but returns an array. Then LuaTeX could return a table.
That would solve the path separator problem.
Remains the questions about the possible output formats:
* Preceding '!!'
* Directory separator?
3. `kpathsea --path' doesn't seem to support '!!'.
Heiko <oberdiek at uni-freiburg.de>
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