(*use open() here)  - Open the filehandle FH
(*use array and FH) - Slurp all lines from FH to Array
(*use seek here)    - Go to a position in the file
(*etc....)

##</code><code>##

COL-1	COL-2	COL-3	COL-4
Line #1
Line #2
Line #3
Line #4
Line #5

##</code><code>##

COL-1	COL-2	COL-3	COL-4
Line #2
Line #3
Line #4
Line #5
Line #6