On Mon, Mar 21, 2016 at 12:13:13PM +0700, Robert Elz wrote: > Most shells (but not all, and the "not" currently includes NetBSD's shell) > have some internal pre-defined variable (that is, can be used in scripts as > $VAR - I am not talking about the C code) which can be used to identify the > shell that is in use.
I'm not sure I like *any* kind of implicitly defined environment variable for this purpose. So why can't it be a special set argument instead, just like most command line tools of GNUish origin support something like -V? Joerg
