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How to append words at the end of first line

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# 1  
Old 02-27-2008
How to append words at the end of first line
Hi Unix gurus

This is my first post here. I have a file which looks like this:

string1,string2
,string3
,string4
...
...

I need to append all words below first line to the first line, ie

string1,string2,string3,string4,...
Bear in mind that it is not known how many lines follow the first line.

Thanks
Lucas
# 2  
Old 02-27-2008
Quote:
Originally Posted by lmatlebyane
Hi Unix gurus

This is my first post here. I have a file which looks like this:

string1,string2
,string3
,string4
...
...

I need to append all words below first line to the first line, ie

string1,string2,string3,string4,...
Bear in mind that it is not known how many lines follow the first line.

Thanks
Lucas
Something like
Code:
tr -s '\n' ',' < t | sed -e "s/,$//g"

Last edited by vino; 02-27-2008 at 10:00 AM..
# 3  
Old 02-27-2008
Try this

Code:
xargs echo<filename

To store the output in new file

Code:
xargs echo<input_filename>output_filename

# 4  
Old 02-28-2008
Quote:
Originally Posted by Dhruva
Try this

Code:
xargs echo<filename

To store the output in new file

Code:
xargs echo<input_filename>output_filename

Hi Dhruva

Thanks for the solution, it works! I have one concern though, your code yields the following result:

string1,string2 ,string3 ,string4

How can I remove the spaces?

Thanks

Lucas
# 5  
Old 02-28-2008
Quote:
Originally Posted by vino
Something like
Code:
tr -s '\n' ',' < t | sed -e "s/,$//g"

Hi Vino, thanks for the reply.

Can you please explain how to use this command? When I try it it returns nothing.

Lucas
# 6  
Old 02-28-2008
In the code posted by #vino "t" is the input_file.

Did you try like that ?
# 7  
Old 02-28-2008
Yes I did, but there's no output:

root@sun6 # cat testfile
string1,string2
,string3
,string4

root@sun6 #tr -s '\n' ',' < testfile | sed -e "s/,$//g"
root@sun6 #


Thanks

Lucas
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