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file formatiing with awk ?


 
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# 1  
Old 11-12-2005
file formatiing with awk ?

Hi friends,

I have to change the file format. I am fighting with writing a script with awk to do it. My input file format is as follows,

AAA 123
AAA 200
BBB 320
BBB 400
CCC 120
CCC 460

I want to change it a following format,

AAA 123 200
BBB 320 400
CCC 120 460

Can somebody tell me how can I uses sed command to do this.

Thanking you,
Mahesh Fernando.
# 2  
Old 11-12-2005
Code:
awk '{ arr[$1] = arr[$1]$2" " } END { for (a in arr) { print a,arr[a]} }' file

# 3  
Old 11-13-2005
Thanks for the help.. Please explain the code operation..

Hi friend,

Thank for the help.

It is working fine.
If possibel please explain me how this work.

Thanks,
Mahesh Fernando.

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