ConvertFromURL Function
URLफाइललाई प्रणाली फाइलमा रूपान्तरण गर्दछ ।
String
filename: A file name as a string.
    systemFile$ = "c:\folder\mytext.txt"
    url$ = ConvertToURL( systemFile$ )
    print url$
    systemFileAgain$ = ConvertFromURL( url$ )
    print systemFileAgain$