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Top Forums Shell Programming and Scripting sed: working with multiple lines Post 302145364 by summer_cherry on Wednesday 14th of November 2007 02:57:03 AM
Old 11-14-2007
awk

Hi Guy,

You can use awk to realize it.
in:
Code:
10002,9:12/123456789
10002,10:1
10002,11:1
10004,9:12/123456789
10004,10:1 
10002,9:12/123456789
10002,10:2
10002,11:2
10004,9:12/123456789
10004,10:2

out:
Code:
10002,9:12/123456789
10002,10:1
10002,11:1
10003,9
10004,9:12/123456789
10004,10:1
10002,9:12/123456789
10002,10:2
10002,11:2
10003,9
10004,9:12/123456789
10004,10:2

code:
Code:
awk'
BEGIN { FS=":"}
{
if ($1=="10002,11")
var=$0
else if ($1=="10004,9")
{
	var=sprintf("%s\n10003,9\n%s",var,$0)
	print var
}
else
print
}' a

 

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Digest::CRC(3)						User Contributed Perl Documentation					    Digest::CRC(3)

NAME
Digest::CRC - Generic CRC functions SYNOPSIS
# Functional style use Digest::CRC qw(crc64 crc32 crc16 crcccitt crc crc8 crcopenpgparmor); $crc = crc64("123456789"); $crc = crc32("123456789"); $crc = crc16("123456789"); $crc = crcccitt("123456789"); $crc = crc8("123456789"); $crc = crcopenpgparmor("123456789"); $crc = crc($input,$width,$init,$xorout,$refout,$poly,$refin,$cont); # add data to existing $crc = crc32("ABCD", $crc); # OO style use Digest::CRC; $ctx = Digest::CRC->new(type=>"crc16"); $ctx = Digest::CRC->new(width=>16, init=>0x2345, xorout=>0x0000, refout=>1, poly=>0x8005, refin=>1, cont=>1); $ctx->add($data); $ctx->addfile(*FILE); $digest = $ctx->digest; $digest = $ctx->hexdigest; $digest = $ctx->b64digest; DESCRIPTION
The Digest::CRC module calculates CRC sums of all sorts. It contains wrapper functions with the correct parameters for CRC-CCITT, CRC-16, CRC-32 and CRC-64, as well as the CRC used in OpenPGP's ASCII-armored checksum. SEE ALSO
https://tools.ietf.org/html/rfc4880#section-6 AUTHOR
Oliver Maul, oli@42.nu COPYRIGHT
CRC algorithm code taken from "A PAINLESS GUIDE TO CRC ERROR DETECTION ALGORITHMS". The author of this package disclaims all copyrights and releases it into the public domain. perl v5.16.2 2013-08-25 Digest::CRC(3)
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