Correction! - Re: [ILUG] Quick Sed Question

[Brian Foster]

 gack!  I've been doing this a lot lately — correcting
 my own postings! — not sure why the sudden surge of
 dumbwittery...  maybe reducing the alcohol has affected
 my brain?  ;-\ 

 anyways, several corrections (and yes, I know Philip
 took the advice of the multitude not to use `sed')....

  | Date: Mon, 16 May 2005 15:53:49 +0200
  | From: Brian Foster <blf at blf.utvinternet.ie>
  |  > From: "Philip Trickett (List)" <phil-ml at techworks.ie>
  |  > Date: Mon, 16 May 2005 12:20:39 +0100
  |  >[... wants to print 5th value in a CSV file with sed(1) ...]
  | 
  |[... other tools are better, but using a `sed' with EREs ...]:
  | 
  |    sed -e 's/^\([^,]*,\)\{4\}//' -e 's/,.*$//'        # NO CHANGE
  | 
  | that [ uses ] two sed `s'-commands.  the first deletes
  | the initial four fields [ ... ].   the second then
  | [ deletes ] any sixth and subsequent fields (which, after the
  | first command, are now the second and subsequent).
  | 
  | the only(?) glitch is if the line has less than
  | 5 fields, the [ first ] one is printed.   [ ... ]
-- 
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 • Unix, embedded, &tc;  • Linux;  • doc;  | blf at utvinternet.ie   FRANCE
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