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Top Forums Shell Programming and Scripting Delete Lines : after pattern1 and between pattern2 and pattern3 using awk/sed/perl Post 302653469 by vk2012 on Saturday 9th of June 2012 05:53:05 AM
Old 06-09-2012
Delete Lines : after pattern1 and between pattern2 and pattern3 using awk/sed/perl

Hi

I need to delete lines from a file which are after pattern1 and between pattern 2 and patter3, as below:

aaaaaaaa
bbbbbbbb
pattern1
cdededed
ddededed
pattern2
fefefefe <-----Delete this line
efefefef <-----Delete this line
pattern3
adsffdsd
huaserew

Please can you suggest how this can be done using awk or sed or in perl.

Thank you.
 

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UTF8(5) 						      BSD File Formats Manual							   UTF8(5)

NAME
utf8 -- UTF-8, a transformation format of ISO 10646 SYNOPSIS
ENCODING "UTF-8" DESCRIPTION
The UTF-8 encoding represents UCS-4 characters as a sequence of octets, using between 1 and 6 for each character. It is backwards compatible with ASCII, so 0x00-0x7f refer to the ASCII character set. The multibyte encoding of non-ASCII characters consist entirely of bytes whose high order bit is set. The actual encoding is represented by the following table: [0x00000000 - 0x0000007f] [00000000.0bbbbbbb] -> 0bbbbbbb [0x00000080 - 0x000007ff] [00000bbb.bbbbbbbb] -> 110bbbbb, 10bbbbbb [0x00000800 - 0x0000ffff] [bbbbbbbb.bbbbbbbb] -> 1110bbbb, 10bbbbbb, 10bbbbbb [0x00010000 - 0x001fffff] [00000000.000bbbbb.bbbbbbbb.bbbbbbbb] -> 11110bbb, 10bbbbbb, 10bbbbbb, 10bbbbbb [0x00200000 - 0x03ffffff] [000000bb.bbbbbbbb.bbbbbbbb.bbbbbbbb] -> 111110bb, 10bbbbbb, 10bbbbbb, 10bbbbbb, 10bbbbbb [0x04000000 - 0x7fffffff] [0bbbbbbb.bbbbbbbb.bbbbbbbb.bbbbbbbb] -> 1111110b, 10bbbbbb, 10bbbbbb, 10bbbbbb, 10bbbbbb, 10bbbbbb If more than a single representation of a value exists (for example, 0x00; 0xC0 0x80; 0xE0 0x80 0x80) the shortest representation is always used. Longer ones are detected as an error as they pose a potential security risk, and destroy the 1:1 character:octet sequence mapping. SEE ALSO
euc(5) Rob Pike and Ken Thompson, "Hello World", Proceedings of the Winter 1993 USENIX Technical Conference, USENIX Association, January 1993. F. Yergeau, UTF-8, a transformation format of ISO 10646, January 1998, RFC 2279. The Unicode Standard, Version 3.0, The Unicode Consortium, 2000, as amended by the Unicode Standard Annex #27: Unicode 3.1 and by the Unicode Standard Annex #28: Unicode 3.2. STANDARDS
The utf8 encoding is compatible with RFC 2279 and Unicode 3.2. BSD
April 7, 2004 BSD
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