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Groups > gnu.bash.bug > #11458
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| From | Andreas Schwab <schwab@linux-m68k.org> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Inconsistent arithmetic evaluation of parameters |
| Date | Wed, 02 Sep 2015 09:16:19 +0200 |
| Lines | 32 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.381.1441178189.19560.bug-bash@gnu.org> (permalink) |
| References | <61895190-83A6-4D62-B90E-65023D5E966B@gmail.com> <20150901175030.GP4309@eeg.ccf.org> <CANaoh6LNi_YyOOB56ZMR3P8thRSMfoTcDCGyW8S921nVoP1H7Q@mail.gmail.com> <20150901202308.GR4309@eeg.ccf.org> <CANaoh6+kxLMGGAO8GR37xriYh8j3AZgUDNs4uL+Qjvz5bxT_Ww@mail.gmail.com> <87r3mhu91x.fsf@igel.home> <CANaoh6+s+GQCHozQpN_jO7SLHb=e+HQnCDivi+ADYz1gH6r=ow@mail.gmail.com> |
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| Cc | Greg Wooledge <wooledg@eeg.ccf.org>, "bug-bash@gnu.org" <bug-bash@gnu.org> |
| To | Dennis Williamson <dennistwilliamson@gmail.com> |
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| In-Reply-To | <CANaoh6+s+GQCHozQpN_jO7SLHb=e+HQnCDivi+ADYz1gH6r=ow@mail.gmail.com> (Dennis Williamson's message of "Tue, 1 Sep 2015 18:32:42 -0500") |
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Dennis Williamson <dennistwilliamson@gmail.com> writes: > On Tue, Sep 1, 2015 at 4:24 PM, Andreas Schwab <schwab@linux-m68k.org> > wrote: > >> Dennis Williamson <dennistwilliamson@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, schwab@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, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
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Re: Inconsistent arithmetic evaluation of parameters Andreas Schwab <schwab@linux-m68k.org> - 2015-09-02 09:16 +0200
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