how to group records in a file

Thread Tools Search this Thread
Top Forums Shell Programming and Scripting how to group records in a file
# 1  
Old 09-04-2009
how to group records in a file

I have records like this,127,569,BRAD,25/08/2009 23:59,127,569,BRAD,25/08/2009 23:59,159,1170,DAVE,25/08/2009 23:59,159,1181,HALE,25/08/2009 23:59,393,1209,CAPIT,25/08/2009 23:59,457,571,NORTT,25/08/2009 23:59,460,4184,OKEEC,25/08/2009 23:59

I want to group records like this into different files
-----------,127,569,BRAD,25/08/2009 23:59,127,569,BRAD,25/08/2009 23:59
-----,159,1170,DAVE,25/08/2009 23:59,159,1181,HALE,25/08/2009 23:59
-----,393,1209,CAPIT,25/08/2009 23:59
-----,457,571,NORTT,25/08/2009 23:59
-----,460,4184,OKEEC,25/08/2009 23:59

can any one help me on this?
# 2  
Old 09-04-2009
Something like this?

awk -F, 'f!=$1{close(f);f=$1}{print > f}' file

# 3  
Old 09-09-2009
hi franklin,
the solution you gave worked
thanks a lot
can you please explain how it is working
# 4  
Old 09-09-2009
awk -F,

Set field separator


Close file (variable f = filename) if $1 != filename...


...and assign new filename to f

{print > f}

print the line to the file
# 5  
Old 09-09-2009
thanks for your reply Franklin
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

To group records in the file in UNIX

Hi All, I am using RHEL 6.9. I got a requirement to group the records in a file.The file content as shown below. #### FAILED JOBS IN XXX ##### 1> ABCD failed in the project XXX 2> HJK Job is in compiled state in the project XXX 3> ILKD failed in the project XXX 4> DFG failed in the... (5 Replies)
Discussion started by: ginrkf
5 Replies

2. UNIX for Beginners Questions & Answers

Awk: group multiple fields from different records

Hi, My input looks like that: A|123|qwer A|456|tyui A|456|wsxe B|789|dfgh Using awk, I am trying to get: A|123;456|qwer;tyui;wsxe B|789|dfgh For records with same $1, group all the $2 in a field (without replicates), and all the $3 in a field (without replicates). What I have tried:... (6 Replies)
Discussion started by: beca123456
6 Replies

3. Shell Programming and Scripting

Sorting group of records and loading last record

Hi Everyone, I have below record set. File is fixed widht file 101newjersyus 20150110 101nboston us 20150103 102boston us 20140106 102boston us 20140103 I need to group record based on first 3 letters in our case(101 and 102) and sort last 8 digit in ascending order and print only... (4 Replies)
Discussion started by: patricjemmy6
4 Replies

4. UNIX for Advanced & Expert Users

Group the records based on empno and send mail

Hi All, I have records in a file with name,SSO,openitems,manageremail with | delimited file.Now i want to group the records by SSO and openitems and send email to their manageremail. kiran|1111|draft| guna|2222|reject| kiran|1111|submitter| (2 Replies)
Discussion started by: kiranparsha
2 Replies

5. UNIX for Dummies Questions & Answers

keeping last record among group of records with common fields (awk)

input: ref.1;rack.1;1 #group1 ref.1;rack.1;2 #group1 ref.1;rack.2;1 #group2 ref.2;rack.3;1 #group3 ref.2;rack.3;2 #group3 ref.2;rack.3;3 #group3 Among records from same group (i.e. with same 1st and 2nd field - separated by ";"), I would need to keep the last record... (5 Replies)
Discussion started by: beca123456
5 Replies

6. Infrastructure Monitoring

Processing records as group - awk

I have a file has following records policy glb id 1233 name Permit ping from "One" to "Second" "Address1" "Any" "ICMP-ANY" permit policy id 999251 service "snmp-udp" exit policy glb id 1234 name Permit telnet from "One" to "Second" "Address2" "Any" "TCP-ANY" permit policy id 1234... (3 Replies)
Discussion started by: baskar
3 Replies

7. Shell Programming and Scripting

KSH to group records in a file and compare it with another file

Hi, I've a file like below: DeptFile.csv DeptID EmpID ------- ------ Dep01 Emp01 Dep01 Emp02 Dep01 Emp03 Dep02 Emp04 Dep02 Emp05 I've another file which has EmpFile.csv EmpID Salary ------ ------ (3 Replies)
Discussion started by: Matrix2682
3 Replies

8. Shell Programming and Scripting

command to group records

hi, i have records like this supplier,product, persons involved 10,150, 30,200, 20,111, 40,211, i want to write a command which displays values like this 10,30,40, for if there are n number of... (7 Replies)
Discussion started by: trichyselva
7 Replies

9. Shell Programming and Scripting

Column sum group by uniq records

Dear All, I want to get help for below case. I have a file like this. saman 1 gihan 2 saman 4 ravi 1 ravi 2 so i want to get the result, saman 5 gihan 2 ravi 3 like this. Pls help me. (17 Replies)
Discussion started by: Nayanajith
17 Replies

10. UNIX for Advanced & Expert Users

find and group records in a file

Hi, I have this file which has 3 columns, District , stores and unit. What I want is all rows belonging to one district to be created separately under each district, the districts may vary every day , the source file may have 3 districts today and may have 160 tomorrow, so what I need is a... (20 Replies)
Discussion started by: thumsup9
20 Replies
Login or Register to Ask a Question