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Continue output redirection on the same line?

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# 1  
Old 11-14-2008
Continue output redirection on the same line?
I have
Code:
for i in 1 2 3 4
do
  echo $i >> test.txt
done

test.txt contains ...
Code:
1
2
3
4

But I want it to contain ...
Code:
1234

Any suggestions?
# 2  
Old 11-14-2008
How about:
Code:
line=""
for i in 1 2 3 4
do
  line=$line$i
done
echo $line >> test.txt

# 3  
Old 11-14-2008
You can add a \c to the end of echo.

echo "$i\c" >> test.txt
# 4  
Old 11-16-2008
Or even simpler (tested on bash and zsh):

printf "%d" {1..4} > file

Kind regards
Chris
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