If pattern in column 3 matches pattern in column 2 (any row), print value in column 1
Hi all,
I have searched and searched, but I have not found a solution that quite fits what I am trying to do.
I have a long list of data in three columns. Below is a sample:
Code:
1,10,8
2,12,10
3,13,12
4,14,14
5,15,16
6,16,18
Moderator's Comments:
Please use code tags
What I need to do is as follows: If a number in column three matches a number in column two, print "," and the number in the corresponding row in column one. If there is no match, just print ",". So an expected result for the sample would be as follows:
I've assumed that AWK would be the best tool for this task, but I am open to using any tool. The solutions I have found and tried only match corresponding rows. They don't match a pattern in one column to any pattern in another column. I'm guessing a loop may be required, but I am a novice to looping.
The values in column one are just the ordinal numbers for the rows, if that is relevant to a solution.
I am very grateful for any help. Thank you.
Last edited by jim mcnamara; 06-04-2019 at 10:30 AM..
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I want to replace a column in a file if it matches certain pattern. Can you help me on this.
Here is the file content.
000000 1111111 2222222
011111 0123445 1234556
023445 1111111 2343455
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1001
1002
1003
1004
1005
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file1
abc_1 foo1@a ....
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def_2 soo2@a ....
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Input
/*------XXXXXX-------*/
owner: XXXX
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# cat list 20130430121600, cucm, location,76,2 20130430121600,cucm1,location1,76,4 20130430122000,cucm,location,80,8 20130430122000,cucm1,location1,90,8 20130430140000,cucm1,location1,87,11 20130430140000, cucm,location,67,9
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My input files is like this
axis1 0 1 10
axis2 0 1 5
axis1 1 2 -4
axis2 2 3 -3
axis1 3 4 5
axis2 3 4 -1
axis1 4 5 -6
axis2 4 5 1
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LEARN ABOUT LINUX
psc
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)
06-04-2019
