If ReadFile(0, "Test1.txt") ; if the file could be read, we continue... If CreateFile(1, "Test2.txt") While Eof(0) = 0 ; loop as long the 'end of file' isn't reached Astring$=ReadString(0) A$=StringField(Astring$,1,",") B$=StringField(Astring$,2,",") WriteStringN(1, A$+","+B$) Wend CloseFile(0) ; close the previously opened file CloseFile(1) EndIf Else MessageRequester("信息","文件无法打开!") EndIf