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Thread: how to filter out some paragraphs in a file
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  #7 (permalink)  
Old 06-09-2006
futurelet futurelet is offline
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Join Date: Jul 2005
Posts: 137

Code:
awk 'BEGIN{RS=""; ORS="\n\n"}
  !/CONNECT|alter system switch logfile/'

The lines separating the paragraphs must be empty.

If the in-between lines may contain spaces or tabs:


Code:
gawk 'BEGIN{RS="\n([ \t]*\n)+";ORS="\n\n"}
 !/CONNECT|alter system switch logfile/'