2021-07-01 16:03:59 +0100, Stephane Chazelas via austin-group-l at The Open Group: > 2021-07-01 15:24:58 +0100, Stephane Chazelas via austin-group-l at The Open > Group: > [...] > > So in the same vein should expr's specification be changed from: > > > > 0 > > The expression evaluates to neither null nor zero. > [...] > > BTW, for "expr", what is "zero" meant to be? > > I see some variation in behaviour for "00", " 0", "-0", "+0", > $'\r0', which some (but not all) also treat as zero. [...]
Also 0,000 or 0,000,000 in locales where "," is a thousand separator with ast-open expr (also the builtin expr of ksh93 if built as part of ast-open). -- Stephane
