Extract UNIque records from File

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

Hi Experts, I have csv file with 30, 40 columns Pasting just 2 column for problem description. Need to print error if below combination is not present in file check for column-1 (DocumentNumber) and filter columns where value in DocumentNumber field is same. For all such rows, the field...

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Compare multiple files, identify common records and combine unique values into one file

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Extract Unique Values from file

Hello all, I have a file with following sample data 2009-08-26 05:32:01.65 spid5 Process ID 86:214 owns resources that are blocking processes on Scheduler 0. 2009-08-26 05:32:01.65 spid5 Process ID 86:214 owns resources that are blocking processes on Scheduler 0. 2009-08-26...

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extract unique pattern from large text file

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Extract data from large file 80+ million records

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Extracting records with unique fields from a fixed width txt file

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Shell Programming and Scripting