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Top Forums Shell Programming and Scripting CSV File:Filter duplicate records from column1 & another column having unique record Post 303010203 by as7951 on Thursday 28th of December 2017 11:35:21 AM
Old 12-28-2017
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 LineNumber (column-2) should be unique for each row.
if column1 contain duplicate value(2345,2345) on row(1-2) then, column 2 must contain any random unique value like (1,2) in row(1-2)
similary for column 1 row(3-4) with duplicate value(6789,6789), then column 2 must contain uniquie value as below 5,6
If combination as explained above is not present, then logs must be printed in another file with error code and line number

Sample file.
Code:
DocumentNumber LineNumber
2345	         1
2345	         2
6789	         5
6789	         6
4321             2
4321             3


Last edited by Don Cragun; 12-29-2017 at 03:53 AM.. Reason: Add CODE tags again. Fix Bold tags.
 

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PSC(1)							      General Commands Manual							    PSC(1)

NAME
psc - prepare sc files SYNOPSIS
psc [-fLkrSPv] [-s cell] [-R n] [-C n] [-n n] [-d c] DESCRIPTION
Psc is used to prepare data for input to the spreadsheet calculator sc(1). It accepts normal ascii data on standard input. Standard out- put is a sc file. With no options, psc starts the spreadsheet in cell A0. Strings are right justified. All data on a line is entered on the same row; new input lines cause the output row number to increment by one. The default delimiters are tab and space. The column for- mats are set to one larger than the number of columns required to hold the largest value in the column. OPTIONS
-f Omit column width calculations. This option is for preparing data to be merged with an existing spreadsheet. If the option is not specified, the column widths calculated for the data read by psc will override those already set in the existing spreadsheet. -L Left justify strings. -k Keep all delimiters. This option causes the output cell to change on each new delimiter encountered in the input stream. The default action is to condense multiple delimiters to one, so that the cell only changes once per input data item. -r Output the data by row first then column. For input consisting of a single column, this option will result in output of one row with multiple columns instead of a single column spreadsheet. -s cell Start the top left corner of the spreadsheet in cell. For example, -s B33 will arrange the output data so that the spreadsheet starts in column B, row 33. -R n Increment by n on each new output row. -C n Increment by n on each new output column. -n n Output n rows before advancing to the next column. This option is used when the input is arranged in a single column and the spreadsheet is to have multiple columns, each of which is to be length n. -d c Use the single character c as the delimiter between input fields. -P Plain numbers only. A field is a number only when there is no imbedded [-+eE]. -S All numbers are strings. -v Print the version of psc SEE ALSO
sc(1) AUTHOR
Robert Bond PSC 7.16 19 September 2002 PSC(1)
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