automatic line generation

Q

I am ensountering a problem.

I am calcuating a 2d flow around a rectangular grid defined in x and y direction.

Now I have completed certain scalr across the whole domain.

Now I want to create automatically lines at different x=x_a, x_b, x_c x_d

Now somebody might suggest me that why dont I do it be hand Now the problem I is I would like to do not four lines I want to make atleast 100 lines and the write the scalar values across this lines and save it in a file and later it will be read by my other code for postprocessing.

Have anybody done this