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Shell Programming and Scripting
Honey, I broke awk! (duplicate line removal in 30M line 3.7GB csv file)
Post 302894688 by Chubler_XL on Wednesday 26th of March 2014 06:07:33 PM
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1. Shell Programming and Scripting
I have a file which consists of 1000 entries. Out of 1000 entries i have 500 Duplicate Entires. I want to remove the first Duplicate Entry (i,e entire Line) in the File.
The example of the File is shown below:
8244100010143276|MARISOL CARO||MORALES|HSD768|CARR 430 KM 1.7 ... (1 Reply)
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Hi,
My awk program is failing. I figured out using command
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i have the long file more than one ns and www and mx in the line like .
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Hi Sorry to multipost. I am opening the new thread because the earlier threads head was misleading to my current doubt.
and i am stuck.
list=`cat /u/Test/programs`;
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I have an extremely large csv file that I need to search the second field, and upon matches update the last field...
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Folks ,
i want to read a csv file line by line till the end of file and filter the text in the line and append everything into a variable.
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trousers:shirts,price,50
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I have several hundreds of tiny files which need to be concatenated into one single line and all those in a single file. Some files have several blank lines. Tried to use this script but failed on it.
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I'm looking to remove duplicate rows from a CSV file with a twist.
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Hi all,
I've got a file that has 12 fields. I've merged 2 files and there will be some duplicates in the following:
FILE:
1. ABC, 12345, TEST1, BILLING, GV, 20/10/2012, C, 8, 100, AA, TT, 100
2. ABC, 12345, TEST1, BILLING, GV, 20/10/2012, C, 8, 100, AA, TT, (EMPTY)
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10. Shell Programming and Scripting
Printing string from last field of the nth line of file to start (or end) of each line (awk I think)
My file (the output of an experiment) starts off looking like this,
_____________________________________________________________
Subjects incorporated to date: 001
Data file started on machine PKSHS260-05CP
**********************************************************************
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LEARN ABOUT DEBIAN
tm::coverage
TM::Coverage(3pm) User Contributed Perl Documentation TM::Coverage(3pm) NAME
TM::Coverage - Topic Maps, Code Coverage DESCRIPTION
This auxiliary package keeps track of the code coverage. Probably quite irrelevant for a user. Automatically generated for TM (1.44). ---------------------------- ------ ------ ------ ------ ------ ------ ------ File stmt bran cond sub pod time total ---------------------------- ------ ------ ------ ------ ------ ------ ------ blib/lib/TM.pm 96.4 84.5 58.0 93.7 90.6 27.5 89.6 blib/lib/TM/Analysis.pm 100.0 90.9 n/a 100.0 100.0 0.0 97.5 blib/lib/TM/AsTMa/Fact.pm 100.0 n/a n/a 100.0 n/a 0.0 100.0 blib/lib/TM/AsTMa/Fact2.pm 100.0 n/a n/a 100.0 n/a 0.0 100.0 blib/lib/TM/Bulk.pm 76.8 71.4 62.5 85.7 100.0 0.0 75.3 blib/lib/TM/CTM/CParser.pm 65.6 34.3 31.0 84.6 0.0 1.6 52.5 blib/lib/TM/CTM/Parser.pm 90.9 50.0 n/a 100.0 0.0 0.0 79.4 blib/lib/TM/DM.pm 100.0 65.0 66.7 100.0 n/a 0.0 96.5 blib/lib/TM/Graph.pm 99.1 88.5 n/a 100.0 100.0 0.0 97.4 blib/lib/TM/Index.pm 100.0 80.0 60.0 100.0 83.3 0.3 87.8 .../Index/Characteristics.pm 100.0 100.0 n/a 100.0 0.0 0.0 97.0 blib/lib/TM/Index/Match.pm 98.5 87.5 n/a 100.0 100.0 0.5 97.6 blib/lib/TM/LTM/CParser.pm 84.9 45.3 42.7 98.2 0.0 0.2 67.8 blib/lib/TM/LTM/Parser.pm 95.7 62.5 50.0 100.0 0.0 0.0 87.1 blib/lib/TM/Literal.pm 45.8 0.0 11.8 30.0 0.0 0.4 24.2 blib/lib/TM/MapSphere.pm 96.5 84.6 68.8 100.0 100.0 0.0 91.7 .../TM/Materialized/AsTMa.pm 100.0 n/a n/a 100.0 0.0 0.0 95.5 ...ib/TM/Materialized/LTM.pm 100.0 n/a n/a 100.0 0.0 0.0 95.5 .../TM/Materialized/MLDBM.pm 100.0 83.3 n/a 100.0 0.0 0.0 92.6 ...b/TM/Materialized/Null.pm 100.0 n/a n/a 100.0 n/a 0.0 100.0 ...TM/Materialized/Stream.pm 100.0 100.0 100.0 100.0 0.0 0.0 96.0 ...ib/TM/Materialized/XTM.pm 100.0 n/a n/a 100.0 0.0 0.0 96.7 blib/lib/TM/PSI.pm 100.0 n/a n/a 100.0 n/a 0.0 100.0 blib/lib/TM/QL.pm 91.4 61.5 66.7 100.0 50.0 0.1 83.9 blib/lib/TM/QL/CParser.pm 76.2 42.4 41.9 90.3 0.0 9.1 62.0 blib/lib/TM/QL/PE.pm 83.8 77.3 80.0 91.7 0.0 52.5 80.5 blib/lib/TM/QL/TS.pm 65.2 35.4 27.8 70.8 53.3 2.4 56.9 blib/lib/TM/ResourceAble.pm 88.1 87.5 n/a 100.0 100.0 0.0 90.0 .../TM/ResourceAble/MLDBM.pm 100.0 75.0 n/a 100.0 0.0 0.0 94.2 blib/lib/TM/Serializable.pm 94.9 65.6 100.0 100.0 100.0 0.0 84.1 .../TM/Serializable/AsTMa.pm 99.1 87.9 66.7 100.0 100.0 0.0 94.2 ...TM/Serializable/Dumper.pm 100.0 n/a n/a 100.0 0.0 0.0 93.5 ...ib/TM/Serializable/LTM.pm 94.1 n/a n/a 83.3 100.0 0.0 92.0 ...ib/TM/Serializable/XTM.pm 96.3 85.2 72.9 100.0 100.0 0.2 91.5 .../lib/TM/Synchronizable.pm 100.0 75.0 100.0 100.0 100.0 0.0 97.2 ...M/Synchronizable/MLDBM.pm 100.0 50.0 n/a 100.0 0.0 0.0 89.3 ...nchronizable/MapSphere.pm 100.0 63.6 64.3 100.0 100.0 0.0 88.6 ...TM/Synchronizable/Null.pm 100.0 n/a n/a 100.0 0.0 0.0 87.5 blib/lib/TM/Tau.pm 100.0 91.7 80.0 100.0 0.0 0.0 95.6 blib/lib/TM/Tau/Federate.pm 63.2 39.3 n/a 62.5 27.3 0.0 54.5 blib/lib/TM/Tau/Filter.pm 100.0 91.7 66.7 100.0 50.0 0.0 90.0 .../TM/Tau/Filter/Analyze.pm 100.0 n/a n/a 100.0 100.0 0.0 100.0 blib/lib/TM/Tree.pm 100.0 57.1 44.4 100.0 66.7 0.0 88.0 blib/lib/TM/Utils.pm 100.0 50.0 n/a 100.0 0.0 0.0 89.3 ...ib/TM/Utils/TreeWalker.pm 100.0 100.0 n/a 100.0 0.0 0.0 96.0 ...ib/TM/Workbench/Plugin.pm 100.0 n/a n/a 100.0 0.0 0.0 75.0 ...M/Workbench/Plugin/Tau.pm 87.5 50.0 n/a 80.0 0.0 0.0 73.1 yapp/astma-fact.yp 96.9 91.5 73.3 97.8 0.0 4.8 92.7 yapp/astma2-fact.yp 97.4 91.6 58.3 100.0 0.0 0.2 91.6 Total 76.8 45.2 40.2 91.2 57.0 100.0 63.8 ---------------------------- ------ ------ ------ ------ ------ ------ ------ SEE ALSO
TM COPYRIGHT AND LICENSE
Copyright 200[8] by Robert Barta, <drrho@cpan.org> This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.10.1 2008-10-05 TM::Coverage(3pm)