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Thanks!

Now I want still to reverse the line order in the third and the fourth column but also I want to regenerate lines of the first column (which includes time values of time).

From the...

How to manipulate first column and reverse the line order in third and fourth column as follws?

For example i have a original file like this:

file1

0.00000000E+000 -1.17555359E-001 ...

I'm not sure that is them necessary but the orginal data file (laser pulse) includes them.

A real datafile seem like this:

0.00000000E+000 -6.16519665E-002 0.00000000E+000
...

I'm not understand this code:
awk 'NR==FNR{a[++i]=$2 FS $3;next}{print $1,a[i--]}' file file
How I add empty columns to the above code?

Thanks! What if there are empty columns ahead of table?

For example:


a 1 11
b 2 12
c 3 13
d 4 14
e 5 15
instead of

a 1 11
b 2...

Thank you very much for the ready answer!

How can I reverse lines of the second and the third comlumns?

For example, from file

a 1 11
b 2 12
c 3 13
d 4 14
e 5 15

to like this:
a 5 15
b 4 14
c 3 13
d 2 12
e 1 11

(Sorry my...