[tlbuild] kpsewhich problem [Cygwin]

[Akira Kakuto]

Hi Angelo,

> > Does pdftex -ini plain \\dump run or crash?
> 
> It seems to work:
... ...

> > \openout1=foo.bat
> > \write1{a}
> > \closeout1
> > \bye
> > 
> > If it stops with an error, it is ok.
> 
> Error here:
> 
> -------------------------------
> $ pdftex --fmt=plain test
> This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009)
> (./test.tex [1
> foo.bat: Forbidden to open for writing
> 
> ! I can't write on file `foo.bat'.
> \plainoutput ...headline \pagebody \makefootline }
>                                                   \advancepageno \ifnum
> \out...
> <output> {\plainoutput
>                        }
> <to be read again>
>                    \end
> l.7 \bye
> 
> (Press Enter to retry, or Control-D to exit; default file extension is
> `.tex')
> Please type another output file name:

Many thanks for the test. All seems to be working fine
as I intended. So the hang in kpsewhich may be related
to the other cause.

Thanks,
Akira