How to compare two file differnces

Hi All ,
I have two files on my presentation server one file will have some errors and another will conatine corrected , Now I have to compare those two files and display the differed recoreds as a list.Please provide me the required code.
Thank you ,
Satheesh.

Somebody has thought of this before...
http://en.wikipedia.org/wiki/Comparison_of_file_comparison_tools
You don't need a new ABAP program for this.
Thomas

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          7902 FORD       ANALYST         7566 03-DEC-1981 00:00:00       3000                    20
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