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Full Discussion: Script to put block comment after finding regex in xml file
Top Forums Shell Programming and Scripting Script to put block comment after finding regex in xml file Post 302487189 by Poki on Tuesday 11th of January 2011 04:02:39 PM
Old 01-11-2011
Quote:
Originally Posted by DGPickett
Using sed N to get an entire element. Let's say the element name is MsgBlk:
Code:
 
sed '
  /<MsgBlk[ >]/{
    :loop
    /<\/Msgblk>/!{
      $d
      N
      b loop
     }
    s/<MsgBlk[ >].*<\/MsgBlk>/<!--\
&\
-->/
   }
 '

Narrative:
Find the line with the opening element, and on it:
Set a branch target named loop.
If the element is not closed:
If at EOF, it is junk, delete it. Some sed are funny wih N at EOF.
Pile the next line at the end of the buffer.
Go back to check fo close of element.
Pick up just exactly this whole element, and where its ends were, put commenting markup and new lines around the while element.


i ran it like you have specified the output hasn't changed at all.. (substituted MsgBlk with my regex)
 

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LEARN ABOUT OPENDARWIN

lreplace

lreplace(n)						       Tcl Built-In Commands						       lreplace(n)

__________________________________________________________________________________________________________________________________________________

NAME

       lreplace - Replace elements in a list with new elements

SYNOPSIS

       lreplace list first last ?element element ...?
_________________________________________________________________

DESCRIPTION

       lreplace  returns a new list formed by replacing one or more elements of list with the element arguments.  first and last specify the first
       and last index of the range of elements to replace.  0 refers to the first element of the list, and end (or any abbreviation of it) may	be
       used to refer to the last element of the list.  If list is empty, then first and last are ignored.

       If  first  is  less  than  zero, it is considered to refer to the first element of the list.  For non-empty lists, the element indicated by
       first must exist.

       If last is less than zero but greater than first, then any specified elements will be prepended to the list.  If last is  less  than  first
       then no elements are deleted; the new elements are simply inserted before first.

       The  element  arguments specify zero or more new arguments to be added to the list in place of those that were deleted.	Each element argu-
       ment will become a separate element of the list.  If no element arguments are specified, then the elements between first and last are  sim-
       ply deleted.  If list is empty, any element arguments are added to the end of the list.

SEE ALSO

       list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n), lset(n), lrange(n), lsort(n) 					   |

KEYWORDS

       element, list, replace

Tcl									7.4							       lreplace(n)
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