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Full Discussion: Sorting in groups
Top Forums Shell Programming and Scripting Sorting in groups Post 302943505 by jamie_123 on Saturday 9th of May 2015 06:16:48 AM
Old 05-09-2015
Sorting in groups
Hi,

I am looking at a slightly different sorting problem and I am not sure how to do it in bash.

I have the following input:

Code:
0                                                                                                                                                                                                                                                                              
0.181017                                                                                                                                                                                                                                                                       
0.181017                                                                                                                                                                                                                                                                       
0.0409129                                                                                                                                                                                                                                                                      
0.214896                                                                                                                                                                                                                                                                       
0.214896                                                                                                                                                                                                                                                                       
0.781925                                                                                                                                                                                                                                                                       
1.05696                                                                                                                                                                                                                                                                        
1.05696                                                                                                                                                                                                                                                                        
0.791026                                                                                                                                                                                                                                                                       
1.10494                                                                                                                                                                             
1.10494                                                                                                                                                                             
2.04486                                                                                                                                                                             
9.37513                                                                                                                                                                             
9.37513
1.29588
15.6751
15.6751
15.873
19.2972
19.2972

I want to sort this, but in groups of three elements with the first one being the sorted value. For example line 16 is lesser than line 13 in the input and it must be re-sorted as the following. The two lines following the sorted value must be moved along with it.

Code:
0                                                                                                                                                                                                                                                                              
0.181017                                                                                                                                                                                                                                                                       
0.181017                                                                                                                                                                                                                                                                       
0.0409129                                                                                                                                                                                                                                                                      
0.214896                                                                                                                                                                                                                                                                       
0.214896                                                                                                                                                                                                                                                                       
0.781925                                                                                                                                                                                                                                                                       
1.05696                                                                                                                                                                                                                                                                        
1.05696                                                                                                                                                                                                                                                                        
0.791026                                                                                                                                                                                                                                                                       
1.10494                                                                                                                                                                             
1.10494                                                                                                                                                                             
1.29588
15.6751
15.6751
2.04486                                                                                                                                                                             
9.37513                                                                                                                                                                             
9.37513
15.873
19.2972
19.2972

Any pointers to do this is much appreciated.

Thanks!
Jamie
 

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