What is the command use to combine line using sed

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# 1  
Old 09-28-2009
What is the command use to combine line using sed

Hi all,

What is the sed command use to combine line?
Below is an output after extracted from few commands

and i would like to combine all the line as shown below,
# 2  
Old 09-28-2009
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With GNU sed:
sed -e :a -e '/./ {N; s/\n/,/g}; ta' infile

# 3  
Old 09-29-2009
Thanks for the answer!!!
By the way, how can i interpret the meaning for every single switch that you apply...
# 4  
Old 09-29-2009
if you use awk it will be more easy..
awk '{printf $0","}' filename

# 5  
Old 09-29-2009
-e :a

setting a label named a

as long as there is a matching pattern ie. at least 1 character

get the next line

substitute the newline with a comma on the line globally

if substitution was succesful jump back to the label and do it again
# 6  
Old 09-29-2009
thanks for the details..
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