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Shell Programming and Scripting

Covert rows into one line data

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# 1  
Old 06-09-2005
Covert rows into one line data
Hi ,

I have a file (a.txt ) with data :

17
18
19

I wants to make file which will have data as :

17,18,19

Can anyone please suggest me the way or any code snippet.

Thanks in advance.

Regards,
VJ
# 2  
Old 06-09-2005
Code:
tr '\n' ',' <a.txt

result:
Code:
17,18,19,

# 3  
Old 06-09-2005
rows in one line
temp=" " ;
while read line
do
temp=`echo "$temp";echo $line` ;
done < abc
echo $temp;
# 4  
Old 06-09-2005
You can do this,

awk '{ printf $0"," }END{print "\n"}' <filename>

hth.
# 5  
Old 06-09-2005
To remote last "," then,

awk '{ printf $0"," }END { printf "\n"}' a.txt | sed 's/,$//'

hth.
# 6  
Old 06-09-2005
Or....
Code:
awk -vORS="," -vTNR="`wc -l < a.txt`" '{if(TNR==NR){ORS="\n"}};1' a.txt

Cheers
ZB
# 7  
Old 06-09-2005
Or...
Code:
paste -sd, a.txt
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