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How to append words at the end of first line

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# 8  
Old 02-28-2008
Quote:
Originally Posted by lmatlebyane
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
What does tr -s '\n' ',' < testfile give ?
# 9  
Old 02-28-2008
Seems to be doing what I want, but it also appends root prompt ?

root@sun6 # tr -s '\n' ',' < testfile
string1,string2,string3,string4,root@sun6 #
# 10  
Old 02-28-2008
it is because

"tr -s '\n' ',' < testfile" removes the newline on which "sed" is searching
ie "Output line from tr doesn't have newline character at the end"

So we can go for xargs as follows which may help you

xargs < testfile | sed -e "s/,$//g"
# 11  
Old 02-28-2008
xargs < testfile | sed -e "s/,$//g" gives correct result but have unwanted spaces in the output:

root@sun6 # xargs < testfile | sed -e "s/,$//g"
string1,string2 ,string3 ,string4
# 12  
Old 02-28-2008
Thanks all for your help, used

xargs < testfile | sed 's/ //g'

and it works 100%.
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