sanity.sh, /usr/bin/tr

[Cameron, Steve]

> About these lines, around 276 or so in sanity.sh (cvs 1.10.8)
> 
>   if test -x $path/tr ; then
>       if test "X`$path/tr --version`" != "X--version" ; then
>         EXPR=$path/tr
>         break
>       fi
>     fi
> 
> 
> In particular, this one:
> 
>       if test "X`$path/tr --version`" != "X--version" ; then
> 
> On SCO unixware 2, "/usr/bin/tr --version" will hang waiting
> for input on stdin 
> 
> Would:
> 
>       if test "X`$path/tr --version </dev/null `" != "X--version" ; then
> 
> be better?
> 
> -- steve