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The last set varies between column 1 to 5. In the sample data, the last set has 4 columns (6 7 8 9).

For example, my input dat file has:

c1 c2 c3 c4 c5
.
.
c6 c7 c8 c9
.
.

And desired...

Hello Gaurav,

I am extracting data from the results of quantum chemical calculations. Using grep and awk commands, I have printed the necessary data from the very large output in a new file. But...

No. This is not homework! Thanks.

I have large formatted data file with five columns. This has to be rearranged in lower order matrix form as shown below for sample data.


1 2 3 4 5
1.0
3.0 2.0
5.0 3.0 2.0
4.0...