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Re: Bash 3 breaks array expansion


From: Chet Ramey
Subject: Re: Bash 3 breaks array expansion
Date: Mon, 16 Aug 2004 16:57:00 -0400

> Configuration Information [Automatically generated, do not change]:
> Machine: i686
> OS: linux-gnu
> Compiler: gcc
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i686'
> -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu' -$uname
> output: Linux uberlaptop 2.6.7 #2 Sun Jul 18 12:00:59 BST 2004 i686
> Mobile Intel(R) Celeron(R) CPU 1.60GHz GenuineInte$Machine Type:
> i686-pc-linux-gnu
> 
> Bash Version: 3.0
> Patch Level: 0
> Release Status: release
> 
> Description:
>         Bash 3 breaks array expansion
> 
> Repeat-By:
>         #!/bin/bash
>         x=(one two)
>         echo address@hidden:1}
>         # prints nothing in bash 3
>         # prints two in bash 2

Try this:

*** ../bash-3.0/subst.c Sun Jul  4 13:56:13 2004
--- subst.c     Thu Aug 12 13:36:17 2004
***************
*** 4892,4896 ****
      *e1p += len;
  
!   if (*e1p >= len || *e1p < 0)
      return (-1);
  
--- 4912,4916 ----
      *e1p += len;
  
!   if (*e1p > len || *e1p < 0)
      return (-1);
  

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
                                                Live...Laugh...Love
Chet Ramey, ITS, CWRU    address@hidden    http://tiswww.tis.cwru.edu/~chet/




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