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How to get every 3 lines in 1 line ?

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# 1  
Old 06-13-2012
How to get every 3 lines in 1 line ?
Hello,
Code:
#cat toto 
1
2
3
A
B
C

....
How can I get this output :
Code:
1 2 3 
A B C

By using "awk" or "sed" or something else.
But, not "while read line" because my real file is very big, and "while read line" is slow.
Thanks in advance.
Last edited by joeyg; 06-13-2012 at 03:51 PM.. Reason: Please wrap data and sripts with CodeTags
# 2  
Old 06-13-2012
Code:
paste -d" " - - - < file

This User Gave Thanks to bartus11 For This Post:
shamrock
# 3  
Old 06-13-2012
Awk
Hi,
Try this one,
Code:
awk '{if(NR%3==0){ORS="\n";}else{ORS=" ";}print;}' file

Cheers,
Ranga:-)
# 4  
Old 06-13-2012
Code:
xargs -n3 < file

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