How to transpose data elements in awk


 
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# 1  
Old 05-13-2008
How to transpose data elements in awk

Hi,

I have an input data file :-
Test4599,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,2,2,R ain
Test90,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,N ot Rain
etc....

I wanted to transpose these data to:-

Test4599 Test90
0 0
0 0
.. ...
In other words, I wanted to transpose elements from vertical to horizontal.
Any idea on how to do that using Awk?

Please advise.

Thanks.
# 2  
Old 05-13-2008
The "similar threads" box near the bottom of the page looks vaguely promising.
# 3  
Old 05-13-2008
awk -F, 'BEGIN {max_i=0} { \
for(i=1;i<=NF;i++) {text_arr[NR SUBSEP i]=$NF} \
if ( NF > max_i ) {max_i = NF}} \
END { for(i=1;i<=max_i;i++) { for(j=1;j<=NR;j++)\
printf text_arr[j SUBSEP i];print}}}' file.txt

I did not tested it, but should be very close to the final solution.
Luck
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