On Wednesday 12 March 2008 17:31:32 Andrew W. Nosenko wrote:
> On Wed, Mar 12, 2008 at 6:09 PM, Carlos Pereira
> <[EMAIL PROTECTED]> wrote:
> >  Thanks for your answers, I realize this is not Gtk stuff,
> >  but certainly affects every GTK app involving decimal numbers...
> >
> >  After setting in my .bashrc, for example (the same with portuguese,
> >  russian, etc.):
> >
> >  LC_ALL=french; export LC_ALL
> >
> >  Everything automatically works in my GTK app, with commas instead of
> >  dots, including exporting and importing files (involving for example the
> >  Expat XML library).
> >
> >  However, a problem remains: my app is distributed with several hundreds
> >  of example data files, ready to be imported. If these files are
> >  dot-based, comma people cannot import them. If these files are
> >  comma-based, dot people cannot import them... Unless I have two versions
> >  for each file (which seems odd), or I supply a script to automatically
> >  convert dot- to comma-based files...
> >
> >  If I use gtk_disable_setlocale, then dots are always used, but that does
> >  not seem quite right... basically I am ignoring user's preference for
> >  commas...
> >
> >  Is there a good solution for this? am I missing something?
> >  What is the standard procedure in Gnome to handle this problem?
> 
> Please, consider some rewirtting of your application to do not write
> locale-dependent values (floating point numbers, month abbrevs,
> day-of-week abbrevs, and so on...) in the data files, or your files
> will become unreadable after changing of locale (and, if I understand
> correctly, you already hit this problem).  Use some locale-independent
> variant instead.
> 
> For case of the floating point values it could be dot-based variant as
> in the "C" locale.
> 
> See g_ascii_dtostr() and/or g_ascii_formatd()  for
> formatting/serialization of double to string, and g_ascii_strtod()
> and/or g_strtod() converting back from string to double.
> 

Maybe you can use some char based format as DECIMAL in mysql.
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