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Re: leading zeros ignored by perl, ksh. not bash
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From: |
Dan Douglas |
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Subject: |
Re: leading zeros ignored by perl, ksh. not bash |
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Date: |
Wed, 23 Jul 2014 17:52:42 -0500 |
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User-agent: |
KMail/4.13.3 (Linux/3.16.0-rc6; KDE/4.13.3; x86_64; ; ) |
On Wednesday, July 23, 2014 05:44:25 PM Dan Douglas wrote:
> On Wednesday, July 23, 2014 05:02:42 PM Chet Ramey wrote:
> > ksh93 -c 'echo $(( 010 ))'
>
> Oh heh. Maybe a compile-time option or something I'm doing wrong... I always
> assumed it intentionally violates POSIX.
>
> I also just noticed zsh interprets it in bash and sh mode but not ksh or zsh
> mode. (it's the very first difference I've ever noticed in zsh between bash
> and ksh emulations.)
Ah, I did do it wrong.
$ ksh -c 'echo $((09))'
9
I interpreted the lack of error as not recognizing the 0.
--
Dan Douglas