Re: Tilde expansion on Win32

Dave Page wrote:
>  
> 
> > -----Original Message-----
> > From: pgsql-hackers-owner@postgresql.org 
> > [mailto:pgsql-hackers-owner@postgresql.org] On Behalf Of Bruce Momjian
> > Sent: 10 June 2005 15:31
> > To: PostgreSQL-development
> > Subject: [HACKERS] Tilde expansion on Win32
> > 
> > I noticed that we don't expand tildes in Win32 because of the use of
> > tilde in short versions of long file names:
> > 
> >     char *
> >     expand_tilde(char **filename)
> >     {
> >         if (!filename || !(*filename))
> >             return NULL;
> >     
> >         /* MSDOS uses tilde for short versions of long file 
> > names, so skip it. */
> >     #ifndef WIN32
> >     
> >         /* try tilde expansion */
> >         if (**filename == '~')
> >         {
> > 
> > However, I thought the tilde was usually used toward the end 
> > of the file
> > name, not at the beginning.  Is this true?  Should this code 
> > be modified?
> 
> Yes, it's true - long filenames may be shortened to something like
> 
> Long filename.document -> longfi~1.doc
> 
> To munge them into 8.3 format. Without looking at the code I assume that
> it is expanding ~dpage into /home/dpage or whatever? If so, I'd be
> inclined to leave it - tilde isn't used like that on Windows.

OK, you d'man.  I will leave it.

I know we can't support ~user/ on Win32, but I thought maybe we should
support ~/.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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