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Top Forums Shell Programming and Scripting Remove lines containing 2 or more duplicate strings Post 302964677 by martinsmith on Monday 18th of January 2016 05:22:09 AM
Old 01-18-2016
Question Remove lines containing 2 or more duplicate strings

Within my text file i have several thousand lines of text with some lines containing duplicate strings/words. I would like to entirely remove those lines which contain the duplicate strings.

Eg;
Code:
One and a Two
Unix.com is the Best
This as a Line Line
Example duplicate sentence with the word duplicate

Output;
Code:
One and a Two
Unix.com is the Best

The letter case doesn't matter.

Much Thanks as always for your help Smilie
 

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textpack(1)						      General Commands Manual						       textpack(1)

NAME
textpack - Pack and unpack Flex files containing text SYNOPSIS
textpack -c FLEXFILE [TEXTFILE] textpack -x FLEXFILE [TEXTFILE] DESCRIPTION
Text Flex files are used for the storage of strings by the games Exult supports. While expack(1) can operate on such files, using textpack to pack and unpack them is more comfortable. The first parameter determines the mode of operation, -c stands for creation, -x for extraction. Creation TEXTFILE (or stdin if it is missing) is read and must conform to the file format (see below). FLEXFILE will be created containing the strings from this input. Extraction The strings contained in FLEXFILE are extracted and written to TEXTFILE (if given, stdout otherwise) in the file format documented below. File Format Empty lines, and lines starting with a pound sign (#) are ignored. Other lines must begin with a number, followed by a colon (:). The num- ber is the index of the string and may be given either in decimal, in octal prefixed with 0; or in hexadecimal prefixed with 0x. Anything following the colon belongs to the string and gets stored in the Flex verbatim. Lines are limited in length to 1024 characters. EXAMPLES
textpack -x text.flx Writes all the strings contained in text.flx to stdout in the format discussed above. textpack -c text.flx strings.list Reads strings.list and puts its contents into the Flex file text.flx Example text file # An example 0:the zeroth string # strings may be empty 1: # holes are allowed, strings 2 to 16 will be empty 17:string seventeen # 13 hexadecimal == 19 decimal, 24 octal == 20 decimal 0x13:nineteen 024:twenty # numbers need not go up 18:eighteen # this will overwrite the definition from above 19:overwritten AUTHOR
This manpage was written by Robert Bihlmeyer. It may be freely redistributed and modified under the terms of the GNU General Public License version 2 or higher. SEE ALSO
expack(1), exult(6) Exult 2002-03-24 textpack(1)
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