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Re: sh/bash incompatibility - noticeable with Netscape

X-seq: zsh-users 777
From: Chet Ramey <chet@xxxxxxxxxxxxxxxxx>
To: zsh-users@xxxxxxxxxxxxxxx
Subject: Re: sh/bash incompatibility - noticeable with Netscape
Date: Wed, 2 Apr 1997 11:25:14 -0500
Cc: schizo@xxxxxxxxxxxxxxx, chrisl@xxxxxxxxxxxx
In-reply-to: Message from schizo@xxxxxxxxxxxxxxx of Tue, 01 Apr 1997 20:12:54 -0500 (id <199704020112.UAA27289@xxxxxxxxxxxxxxxxxxxxxxxx>)
Read-receipt-to: chet@xxxxxxxxxxx
Reply-to: chet@xxxxxxxxxxx

> > This line runs fine with bash, but zsh parses the leading (( as an
> > arithmetic expression opening, and fails.  There is no way I can figure
> > out to convince Netscape to put a space between the two leading
> > open-parens.
> 
> This only works with bash 1.x.  bash 2.0 will properly choke in the same way
> as zsh.

...and yet bash-2.01 will have a fix.  I fixed the bash parsing code
so that it requires an arithmetic command to begin with `((', end
with `))', and have an equal number of open and close parens.  If it
does not end with `))', it is treated as a nested subshell.  A non-
balancing number of open and close parens is treated as a syntax error.


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer

Chet Ramey, Case Western Reserve University	Internet: chet@xxxxxxxxxxx

References:
- Re: sh/bash incompatibility - noticeable with Netscape
  - From: Clint Adams

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