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Full Discussion: Data manipulation, Please help..
Top Forums Shell Programming and Scripting Data manipulation, Please help.. Post 302969572 by RavinderSingh13 on Thursday 24th of March 2016 06:49:27 AM
Old 03-24-2016
Hello liuzhencc,

Could you please try following and let me know if this helps you. Let's say we have following Input_file where I have added few lines to test it better.
Code:
 cat Input_file
 .49876577,-0.03160753,0.60992502,0.00361167,0.01401017,0.54274066,-0.04881392,-0.01454749,0.02569629,0.04952051,-0.01458124,-0.14468019,0.13155655,0.01912278,0.15125587,.49876577,-0.03160753,0.60992502,0.00361167

Then following is the code for same.
Code:
awk -vn=5 -F"," '{num=split($0, A,",");for(i=1;i<=num;i++){for(k=1;k<=i;k++){q++;Q=Q?Q OFS A[q]:A[q]};if(Q){i=i>n?n:i;print i OFS Q;Q=""}}}'   Input_file

Output will be as follows.
Code:
1 .49876577
2 -0.03160753 0.60992502
3 0.00361167 0.01401017 0.54274066
4 -0.04881392 -0.01454749 0.02569629 0.04952051
5 -0.01458124 -0.14468019 0.13155655 0.01912278 0.15125587
5 .49876577 -0.03160753 0.60992502 0.00361167

If above doesn't meet your requirements completely then please post more meaningful Input_file with more specific requirement details on same too.
EDIT: Adding a non-one liner form of solution as follows now.
Code:
awk -vn=5 -F"," '{
                        num=split($0, A,",");
                                                for(i=1;i<=num;i++){
                                                                        for(k=1;k<=i;k++){
                                                                                                q++;
                                                                                                Q=Q?Q OFS A[q]:A[q]
                                                                                         };
                                                                        if(Q)            {
                                                                                                i=i>n?n:i;
                                                                                                print i OFS Q;
                                                                                                Q=""
                                                                                         }
                                                                   }
                 }
                '   Input_file

Thanks,
R. Singh
Last edited by RavinderSingh13; 03-24-2016 at 07:57 AM.. Reason: Added a little edited Input_file from me. Added a non-one liner form of solution now.
 

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