deleting the entire line starting from 0,0,0 from a huge text file

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pankti Patel 2019-1-31

评论： pankti Patel 2019-2-6

I have collected a huge data set and want to clear that dataset.

it is something like this-

0 0 0 0 1 0

-0 0 0 0 1 0

18.2375 202.634 544.567 0 1 0

19.0986 202.448 544.067 0 1 0

19.9764 202.448 544.067 0 1 0

20.8398 202.308 543.692 0 1 0

21.6971 202.122 543.192 0 1 0

22.5579 201.983 542.817 0 1 0

23.4337 201.983 542.817 0 1 0 ........

i only want to keep the points and want to delete each line starting from 0,0,0 or -0,0,0

Can anyone help please?

Luna 2019-1-31

Is that a double array?

pankti Patel 2019-2-6

this is my data file.

Luna 2019-1-31

Try this:

A(all((A(:,[1:3]) == [0 0 0])')',:) = [];

Where A is the Nx6 double array from your text file.

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