'tabstops' is a program that translates a file with columns separated by
"visually correct" spaces to a file with columns separated by one TAB character.
It is supposed that there isn't any TAB character in the input file.

Input file is 'stdin', and output is 'stdout'.
The parameters are the column position of the 2nd, 3rd, 4th, ... columns.


For example:

Player    Goals
John      2
Hilbert   25

is translated to (using 'tabstops 11'):

Player	Goals
John	2
Hilbert	25


---- New Feature

If you add the parameter "-r", then the reverse action is performed. You have a
file with columns separated with TAB characters, and you get a file with columns
separated by spaces at the position you asked for.