[GRASS-dev] [bug #4381] (grass) export location for r.out.* differs

[Hamish]

> Secondly, some export modules force (well, at least r.out.tiff does)
> the file extension, and some leave it up to the user to set it.

A good solution is to check to see if the name already has the extension
on it before "forcing" one on. (so you don't get .tif.tif)

shell:
FILE="`basename $output .tif`.tif"

tcl:
if { [string compare [file extension $fname] ".tif"] != 0 } then {
   append fname ".tif"
}

C:
<string.h>   :)



Hamish