Chet Ramey (<chet.ra...@case.edu>) wrote: > On 7/10/18 2:48 PM, Isaac Marcos wrote: > > That is not an integer constant. Integer constants don't begin with > `-'. >
That makes negative numbers invalid. This is not a serious argument. Because of the difference between an operator and a constant. Unary plus > and minus have a higher precedence than arithmetic operators. So if you > expand the `a' to an expression, which is what happens, the expression > consists of an operator (+ or -) and a constant, and that expression has > a higher precedence than the +. You might think about why using `$a' in > place of the `a' would not work all the time. > I don't care. All other shells do this correctly. It makes you the only one wrong. This is not a serious discussion. -- Cases are always threesome: Best case, Worst case, and Just in case