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Bash-3.0 Official patch 16


From: Chet Ramey
Subject: Bash-3.0 Official patch 16
Date: Wed, 10 Nov 2004 16:37:50 -0500

                             BASH PATCH REPORT
                             =================

Bash-Release: 3.0
Patch-ID: bash30-016

Bug-Reported-by:  William Park <opengeometry@yahoo.ca>
Bug-Reference-ID: <200411012217.iA1MHxL7031818@node1.opengeometry.net>
Bug-Reference-URL: 
http://lists.gnu.org/archive/html/bug-bash/2004-11/msg00017.html

Bug-Description:

        Offset from the end of array in ${var: -n} is still off by 1.  Eg.
            x=( {0..9} )
            echo ${x[*]: -1}            --> 8 9

Patch:

*** ../bash-3.0-patched/subst.c Wed Sep  8 11:07:55 2004
--- subst.c     Tue Nov  9 16:26:59 2004
***************
*** 4900,4905 ****
      case VT_ARRAYVAR:
        a = (ARRAY *)value;
!       /* For arrays, the first value deals with array indices. */
!       len = array_max_index (a);      /* arrays index from 0 to n - 1 */
        break;
  #endif
--- 4900,4906 ----
      case VT_ARRAYVAR:
        a = (ARRAY *)value;
!       /* For arrays, the first value deals with array indices.  Negative
!        offsets count from one past the array's maximum index. */
!       len = array_max_index (a) + (*e1p < 0); /* arrays index from 0 to n - 1 
*/
        break;
  #endif
*** ../bash-3.0-patched/tests/array.tests       Sat Oct  4 23:25:00 2003
--- tests/array.tests   Tue Nov  9 16:36:29 2004
***************
*** 323,327 ****
  echo positive offset - expect five seven
  echo ${av[@]:5:2}
! echo negative offset - expect five seven
  echo ${av[@]: -2:2}
  
--- 323,327 ----
  echo positive offset - expect five seven
  echo ${av[@]:5:2}
! echo negative offset to unset element - expect seven
  echo ${av[@]: -2:2}
  
*** ../bash-3.0-patched/tests/array.right       Sat Oct  4 23:25:10 2003
--- tests/array.right   Tue Nov  9 16:37:25 2004
***************
*** 171,176 ****
  positive offset - expect five seven
  five seven
! negative offset - expect five seven
! five seven
  positive offset 2 - expect seven
  seven
--- 171,176 ----
  positive offset - expect five seven
  five seven
! negative offset to unset element - expect seven
! seven
  positive offset 2 - expect seven
  seven
*** ../bash-3.0-patched/patchlevel.h    Tue Oct 26 17:13:29 2004
--- patchlevel.h        Tue Nov  9 16:31:24 2004
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 15
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 16
  
  #endif /* _PATCHLEVEL_H_ */


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




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