changing the file format

hi guys,

i hv a requirnment in which i need to read a file which is in .CGL format on a shared network path or application server which is nt possible to read directly so i need to first change the format of the file to .CSV and then read it using the FM KCD_CSV_FILE_TO_INTERN_CONVERT .

so plz tel me how to change the file extension

thanks

shivraj