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How to add a column from other file?

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# 1  
Old 08-16-2012
How to add a column from other file?
Dear all,
Lets say, I've a file a.txt containing two columns, like

Code:
a1  b1
..   ..
..   ..

and another file b.txt containg two columns, like

Code:
a1  c1
..   ..
..   ..

I need to put c1 column from b.txt file to the a.txt file. So, the output should be

Code:
a1  b1  c1
..   ..   ..
..   ..   ..

Do anyone can help me ASAP? Any suggestion appreciated.
Last edited by zaxxon; 08-16-2012 at 03:23 AM.. Reason: code tags
# 2  
Old 08-16-2012
Check man page for join. One of the examples therein could solve your problem.

BTW, you've posted this in the wrong forum. Mods, please move the thread.
Last edited by elixir_sinari; 08-16-2012 at 03:15 AM..
# 3  
Old 08-16-2012
Thanks, actually I'm new in this forum. So, I'll try to move this.
# 4  
Old 08-16-2012
Moved. Also please use code tags next time for your code and data, thanks.
# 5  
Old 08-16-2012
col 1 in both the file is same
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