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Split a file into multiple files based on field value

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# 1  
Old 06-02-2012
Split a file into multiple files based on field value
Hi,

I've one requirement. I have to split one comma delimited file into multiple files based on one of the column values.

How can I achieve this Unix

Here is the sample data. In this case I have split the files based on date column(c4)

Input file

Code:
c1,c2,c3,c4,c5
123,GL,JE,06-02-2012,500
132,GL,JE,06-02-2012,600
123,GL,JE,06-01-2012,500
153,GL,JE,06-01-2012,600

Desired out put

File 1
Code:
c1,c2,c3,c4,c5
123,GL,JE,06-02-2012,500
132,GL,JE,06-02-2012,600

File2

Code:
c1,c2,c3,c4,c5
123,GL,JE,06-01-2012,500
153,GL,JE,06-01-2012,600

Thanks

Moderator's Comments:
Mod Comment edit by bakunin: First off, when posting code or terminal output please use [CODE]..[/CODE]-tags. Thank you.

Second, you are posting in the wrong forum. Even if you have this problem sitting at an AIX system it is clearly not related with the OS but a simple scripting problem. I am going to transfer this thread to "Shell Programming and Scripting".
Last edited by bakunin; 06-03-2012 at 06:33 AM..
# 2  
Old 06-02-2012
Something like this

Code:
awk -F, '{print >  "somefile_"$4}' <input_file>

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