viper-glob-function

viper-glob-function is a variable defined in `viper-ex.el'.
Its value is

viper-glob-unix-files

• This variable may be risky if used as a file-local variable.

Documentation:
Expand the file spec containing wildcard symbols.
The default tries to set this variable to work with Unix, Windows,
and OS/2.

However, if it doesn't work right for some types of Unix shells or some OS,
the user should supply the appropriate function and set this variable to the
corresponding function symbol.

You can customize this variable.