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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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