I can't to install the file structure so that all data were put into a file with specific gaps.
when viewing information about the products displayed exact same structure as in the file.=((
Or please ask to me how to write the text of program,that delete the find string in the file,if i have next structure of my file:

Article Naim Model Price Date
1234, Iron, Tefal, 100$, 18.03.2010, 2534, Washing Mashine, Samsung, 400$, 12.02.2010

Here deletes only code of product 1234 and delete all "," and file has nex structure:

Iron
Tefal
100$
18.03.2010