On 10/15/06, Yar Tikhiy <yar at comp.chem.msu.su> wrote: > Hi folks, Great article, thanks! How about -eval "${rcvar}=\${${rcvar}:-'NO'}" +eval : \${${rcvar}='NO'} (a little more concise/readable; does not override explicit null value, which might not be valid, but should probably be respected all the same) Thanks!