On Tue, Sep 1, 2015 at 4:24 PM, Andreas Schwab <sch...@linux-m68k.org> wrote:
> Dennis Williamson <dennistwilliam...@gmail.com> writes: > > > $ echo $((foo)) # expansion succeeds, indirection fails > > dash: 4: Illegal number: bar > > The indirection didn't fail, it just didn't produce a number, so the > expression is malformed. > > Andreas. > > -- > Andreas Schwab, sch...@linux-m68k.org > GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 > "And now for something completely different." > I disagree. The _expansion_ produced "bar" which is an "Illegal number" because the indirection (turning "bar" into 5) didn't succeed. In Bash, the indirection would have succeeded and the output would have been 5. -- Visit serverfault.com to get your system administration questions answered.
