Sponsored Content
Top Forums Shell Programming and Scripting count the unique records based on certain columns Post 302691071 by agama on Thursday 23rd of August 2012 09:34:14 PM
Old 08-23-2012
This should count the ones present:

Code:
awk '
    NR > 1 && NF > 1 { c[$NF]++ }
    END {
        for( x in c )
            print x, c[x];
    }
'  result.txt

 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Record count based on a keyword in the records

Hi, Am having files with many records, i need to count and display the number of records based on the keyword in one of the column of the records. for e.g THE FILE CONTAINS TWO RECORDS LIKE. 200903031143150 0 1236060795054357lessrv1 BSNLSERVICE1 BSNLSERVICE1 ... (4 Replies)
Discussion started by: aemunathan
4 Replies

2. Shell Programming and Scripting

using awk to count no of records based on conditions

Hi I am having files with date and time stamp as the folder names like 200906051400,200906051500,200906051600 .....hence everyday 24 files will be generated i need to do certain things on this 24 files daily file contains the data like 200906050016370 0 1244141195225298lessrv3 ... (13 Replies)
Discussion started by: aemunathan
13 Replies

3. Shell Programming and Scripting

awk : extracting unique lines based on columns

Hi, snp.txt CHR_A SNP_A BP_A_st BP_A_End CHR_B BP_B SNP_B R2 p-SNP_A p-SNP_B 5 rs1988728 74904317 74904318 5 74960646 rs1427924 0.377333 0.000740085 0.013930081 5 ... (12 Replies)
Discussion started by: genehunter
12 Replies

4. UNIX for Dummies Questions & Answers

How to count specific columns and merge with unique ones?

Hi. I am not sure the title gives an optimal description of what I want to do. I have several text files that contain data in many columns. All the files are organized the same way, but the data in the columns might differ. I want to count the number of times data occur in specific columns,... (0 Replies)
Discussion started by: JamesT
0 Replies

5. Shell Programming and Scripting

Print unique records in 2 columns using awk

Is it possible to print the records that has only 1 value in 2nd column. Ex: input awex1 1 awex1 2 awex1 3 assww 1 ader34 1 ader34 2 output assww 1 (5 Replies)
Discussion started by: quincyjones
5 Replies

6. Shell Programming and Scripting

Find and count unique date values in a file based on position

Hello, I need some sort of way to extract every date contained in a file, and count how many of those dates there are. Here are the specifics: The date format I'm looking for is mm/dd/yyyy I only need to look after line 45 in the file (that's where the data begins) The columns of... (2 Replies)
Discussion started by: ronan1219
2 Replies

7. Linux

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? (1 Reply)
Discussion started by: sanvel
1 Replies

8. Shell Programming and Scripting

Merge records based on multiple columns

Hi, I have a file with 16 columns and out of these 16 columns 14 are key columns, 15 th is order column and 16th column is having information. I need to concate the 16th column based on value of 1-14th column as key in order of 15th column. Here are the example file Input File (multiple... (3 Replies)
Discussion started by: Ravi Agrawal
3 Replies

9. Shell Programming and Scripting

Insert Columns before the last Column based on the Count of Delimiters

Hi, I have a requirement where in I need to insert delimiters before the last column of the total delimiters is less than a specified number. Say if the delimiters is less than 139, I need to insert 2 columns ( with blanks) before the last field awk -F 'Ç' '{ if (NF-1 < 139)} END { "Insert 2... (5 Replies)
Discussion started by: arunkesi
5 Replies
END(7)							  PostgreSQL 9.2.7 Documentation						    END(7)

NAME
END - commit the current transaction SYNOPSIS
END [ WORK | TRANSACTION ] DESCRIPTION
END commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT(7). PARAMETERS
WORK, TRANSACTION Optional key words. They have no effect. NOTES
Use ROLLBACK(7) to abort a transaction. Issuing END when not inside a transaction does no harm, but it will provoke a warning message. EXAMPLES
To commit the current transaction and make all changes permanent: END; COMPATIBILITY
END is a PostgreSQL extension that provides functionality equivalent to COMMIT(7), which is specified in the SQL standard. SEE ALSO
BEGIN(7), COMMIT(7), ROLLBACK(7) PostgreSQL 9.2.7 2014-02-17 END(7)
All times are GMT -4. The time now is 04:16 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy