CSV File:Filter duplicate records from column1 & another column having unique record

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1. Shell Programming and Scripting

Filter duplicate records from csv file with condition on one column

I have csv file with 30, 40 columns Pasting just three column for problem description I want to filter record if column 1 matches CN or DN then, check for values in column 2 if column contain 1235, 1235 then in column 3 values must be sequence of 2345, 2345 and if column 2 contains 6789, 6789...

2. Shell Programming and Scripting

Filter file to remove duplicate values in first column

Hello, I have a script that is generating a tab delimited output file. num Name PCA_A1 PCA_A2 PCA_A3 0 compound_00 -3.5054 -1.1207 -2.4372 1 compound_01 -2.2641 0.4287 -1.6120 3 compound_03 -1.3053 1.8495 ...

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To get all the columns in a CSV file based on unique values of particular column

cat sample.csv ID,Name,no 1,AAA,1 2,BBB,1 3,AAA,1 4,BBB,1 cut -d',' -f2 sample.csv | sort | uniq this gives only the 2nd column values Name AAA BBB How to I get all the columns of CSV along with this?

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Output first unique record in csv file

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5. Linux

Filter a .CSV file based on the 5th column values

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6. Shell Programming and Scripting

Removing duplicate records in a file based on single column explanation

I was reading this thread. It looks like a simpler way to say this is to only keep uniq lines based on field or column 1. https://www.unix.com/shell-programming-scripting/165717-removing-duplicate-records-file-based-single-column.html Can someone explain this command please? How are there no...

7. Shell Programming and Scripting

Removing duplicate records in a file based on single column

Hi, I want to remove duplicate records including the first line based on column1. For example inputfile(filer.txt): ------------- 1,3000,5000 1,4000,6000 2,4000,600 2,5000,700 3,60000,4000 4,7000,7777 5,999,8888 expected output: ---------------- 3,60000,4000 4,7000,7777...

8. UNIX for Dummies Questions & Answers

CSV file:Find duplicates, save original and duplicate records in a new file

Hi Unix gurus, Maybe it is too much to ask for but please take a moment and help me out. A very humble request to you gurus. I'm new to Unix and I have started learning Unix. I have this project which is way to advanced for me. File format: CSV file File has four columns with no header...

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Find Duplicate records in first Column in File

Hi, Need to find a duplicate records on the first column, ANU4501710430989 0000000W20389390 ANU4501710430989 0000000W67065483 ANU4501130050520 0000000W80838713 ANU4501210170685 0000000W69246611...

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return a list of unique values of a column from csv format file

Hi all, I have a huge csv file with the following format of data, Num SNPs, 549997 Total SNPs,555352 Num Samples, 157 SNP, SampleID, Allele1, Allele2 A001,AB1,A,A A002,AB1,A,A A003,AB1,A,A ... ... ... I would like to write out a list of unique SNP (column 1). Could you...

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igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)

Shell Programming and Scripting