How to sum rows in e.g. column 1 by a category in e.g. column 2

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Sum of a column as new column based on header in a script

Hello, I am trying to store sum of a column as a new column inside a file but have to find the column names dynamically I/p c1,c2,c3,c4,c5 10,20,30,40,50 20,30,40,50,60 If i want to find sum only column c1, c3 and output it as c6,c7 O/p c1,c2,c3,c4,c5,c6,c7 10,20,30,40,50,30,70...

2. Shell Programming and Scripting

awk to Sum columns when other column has duplicates and append one column value to another with Care

Hi Experts, Please bear with me, i need help I am learning AWk and stuck up in one issue. First point : I want to sum up column value for column 7, 9, 11,13 and column15 if rows in column 5 are duplicates.No action to be taken for rows where value in column 5 is unique. Second point : For...

3. UNIX for Beginners Questions & Answers

Sum the values in the column using date column

I have a file which need to be summed up using date column. I/P: 2017/01/01 a 10 2017/01/01 b 20 2017/01/01 c 40 2017/01/01 a 60 2017/01/01 b 50 2017/01/01 c 40 2017/01/01 a 20 2017/01/01 b 30 2017/01/01 c 40 2017/02/01 a 10 2017/02/01 b 20 2017/02/01 c 30 2017/02/01 a 10...

4. UNIX for Dummies Questions & Answers

Match sum of values in each column with the corresponding column value present in trailer record

Hi All, I have a requirement where I need to find sum of values from column D through O present in a CSV file and check whether the sum of each Individual column matches with the value present for that corresponding column present in the trailer record. For example, let's assume for column D...

5. Shell Programming and Scripting

Sum column values based in common identifier in 1st column.

Hi, I have a table to be imported for R as matrix or data.frame but I first need to edit it because I've got several lines with the same identifier (1st column), so I want to sum the each column (2nd -nth) of each identifier (1st column) The input is for example, after sorted: K00001 1 1 4 3...

6. Shell Programming and Scripting

awk to sum a column based on duplicate strings in another column and show split totals

Hi, I have a similar input format- A_1 2 B_0 4 A_1 1 B_2 5 A_4 1 and looking to print in this output format with headers. can you suggest in awk?awk because i am doing some pattern matching from parent file to print column 1 of my input using awk already.Thanks! letter number_of_letters...

7. Shell Programming and Scripting

Converting Single Column into Multiple rows, but with strings to specific tab column

Dear fellows, I need your help. I'm trying to write a script to convert a single column into multiple rows. But it need to recognize the beginning of the string and set it to its specific Column number. Each Line (loop) begins with digit (RANGE). At this moment it's kind of working, but it...

8. Shell Programming and Scripting

Sum Of Column Based On Column Condition

I have a following inputfile MT,AP,CDM,TTML,MUM,GS,SUCC,3 MT,AP,CDM,TTSL,AP,GS,FAIL,9 MT,AP,CDM,RCom,MAH,GS,SUCC,3 MT,AP,CDM,RTL,HP,GS,SUCC,1 MT,AP,CDM,Uni,UPE,GS,SUCC,2 MT,AP,CDM,Uni,MUM,GS,SUCC,2 TTSL,AP,GS,MT,MAH,CDM,SUCC,20 TTML,AP,GS,MT,MAH,CDM,FAIL,10...

9. Shell Programming and Scripting

awk command to print only selected rows in a particular column specified by column name

Dear All, I have a data file input.csv like below. (Only five column shown here for example.) Data1,StepNo,Data2,Data3,Data4 2,1,3,4,5 3,1,5,6,7 3,2,4,5,6 5,3,5,5,6 From this I want the below output Data1,StepNo,Data2,Data3,Data4 2,1,3,4,5 3,1,5,6,7 where the second column...

10. UNIX for Dummies Questions & Answers

how to count number of rows and sum of column using awk

Hi All, I have the following input which i want to process using AWK. Rows,NC,amount 1,1202,0.192387 2,1201,0.111111 3,1201,0.123456 i want the following output count of rows = 3 ,sum of amount = 0.426954 Many thanks

UNIX for Dummies Questions & Answers