2010-01-12 22:07:31 -0500, Chet Ramey: > On 1/12/10 5:16 AM, Stephane CHAZELAS wrote: > > 2010-01-11, 17:42(-05), Chet Ramey: > >>>> Think of it as > >>>> > >>>> x = $(( RANDOM%6+1 + RANDOM%6+1 )) > >>>> y = dice[x] > >>>> dice[RANDOM%6+1 + RANDOM%6+1] = y + 1 > >>>> return y > >>> [...] > >>> > >>> I would still consider that a bug. > >> > >> OK. But everyone does it the same way. > > > > Except for pdksh, mksh, posh, perl, C. > > The three shells in your list are all variants of the same base. It's > like using three different releases of bash. The other two aren't > shells. C is a reasonable comparison, but there are other differences > in how the languages are parsed and executed. > > > I think by "everyone", you mean "AT&T ksh" and "zsh" or do you > > know any other shell or language that behaves like that? > > I haven't done an extensive investigation. It's not really a significant > issue. It's important enough that bash, ksh, and zsh agree. We don't > need more incompatibilities between the major shells. [...]
Hi Chet, Please note that that bug has now been fixed in ksh93: http://mailman.research.att.com/pipermail/ast-developers/2010q1/000550.html so they don't agree anymore. -- Stephane
