From: Matt <mc@prismtech.co.uk>
To: becker@Atria.com
Cc: zsh-workers@math.gatech.edu
Subject: Re: Math expressions with 08 or 09 -> zsh2.6-beta10
Date: Wed, 30 Aug 1995 15:27:51 +0100 (BST) [thread overview]
Message-ID: <Pine.OSF.3.91.950830152404.511A-100000@alpha3.prismtech.co.uk> (raw)
In-Reply-To: <9508301350.AA01002@phobos>
> These leading zeros are inconsistent. Math expressions do not seem to
> like numbers 08 or 09.
i dont know if this actually applies to this instances but ...
just a guess but isnt any number with a leading zero treated as an octal
number(base 8)?
>
> zsh -f
> % [ 03 -gt 07 ] && echo ok
> % [ 07 -gt 03 ] && echo ok
> ok
> % [ 07 -gt 07 ] && echo ok
> % [ 08 -gt 07 ] && echo ok
> zsh: bad math expression: unbalanced stack
in this case the number '08' will be unrecognised...
> % [ 07 -gt 08 ] && echo ok
> zsh: bad math expression: unbalanced stack
in this case the number '08' will be unrecognised...
> % [ 07 -gt 09 ] && echo ok
> zsh: bad math expression: unbalanced stack
in this case the number '09' will be unrecognised...
>
> in an effort to stip off the leading zero....
>
> % let x=01
> % echo $x
> 1
> % let x=07
> % echo $x
> 7
> % let x=08
> zsh: lvalue required
in this case the number '08' will be unrecognised...
> % echo $x
> 7
dont know about this - but it seems to be regressing to the last
officially 'valid' set value.... ie '07'
> % echo $ZSH_VERSION
> 2.6-beta10
>
now i dont know if what i described is the supposed behaviour or not ...
dont grill me if i am wrong please ....... [my mail box is only so big..!]
matt.
Thought for the Day: Darth Vader sleeps with a Teddywookie.
__________________________________________________________________________
Prism Technologies Ltd., | Matt
KingFisher House, Kingsway, | Tel No. +44 (0)191 491 3983
Team Valley, Gateshead, | Fax No. +44 (0)191 491 3973
Tyne & Wear, | EMail. mc@prismtech.co.uk
NE11 0JQ, U.K. | WWW Page http://www.prismtech.co.uk/
__________________________________________________________________________
prev parent reply other threads:[~1995-08-30 14:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
1995-08-30 13:50 Paul H. Becker
1995-08-30 14:27 ` Matt [this message]
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