Method Stdio.append_file()
- Method append_file
 intappend_file(stringfilename,stringstr,int|voidaccess)- Description
 Append the string
stronto the filefilename.For a description of
access, see Stdio.File->open().- Throws
 Throws an error if
filenamecouldn't be opened for writing.- Returns
 Returns the number of bytes written.
- See also