Dennis Williamson <dennistwilliam...@gmail.com> writes: > 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"
That's not an expansion. Only $ introduces an expansion. 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."
