Re: sed ;N; reads input into core

bug-gnu-utils

From:	Paolo Bonzini
Subject:	Re: sed ;N; reads input into core
Date:	Fri, 18 Mar 2005 08:54:43 +0100
User-agent:	Mozilla Thunderbird 0.9 (Macintosh/20041103)

but that does not work on even/odd line pairs:
echo -e 'a\nb\nx\na\nb\nx\na\nb' | sed ';N;s/a\nb/c/g'


You need a "sliding window" technique:

N
s/a\nb/c/g
/\n/!N
P
D

Paolo

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sed ;N; reads input into core, Jan Nieuwenhuizen, 2005/03/17
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