delete line containing a pattern!!!

 
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# 1  
Old 04-01-2011
delete line containing a pattern!!!

if the given pattern exists in the file with the very next line starting and ending

with the same pattern , delete the line that starts and ends with the given pattern.

So upon running on this file
=====================
hai people<PATTERN> we had
<PATTERN>a lot of fun<PATTERN>

writing scripts
We will<PATTERN>
have more
<PATTERN>tomorrow<PATTERN>
Hurray!
======================

shud change give
======================
hai people<PATTERN> we had

writing scripts
We will<PATTERN>
have more
<PATTERN>tomorrow<PATTERN>
Hurray!
======================
# 2  
Old 04-01-2011
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