# Code for March 23, 2020 -- (C) Dr. William T. Verts
# See pages 346-349 in the Companion

# MyFile is to be used globally

def PrintStuff (NewString):   # NewString is a thing to write to file
    global MyFile
    MyFile.write (NewString + "\n")
    return

def WriteStuff (Filename):
    global MyFile
    MyFile = open (Filename, "w")
    Line = ""
    while (Line != "STOP"):
        Line = input("Enter a line --- ")
        if Line != "STOP": PrintStuff(Line)
    MyFile.close()
    return

def ReadFileAsOneString (Filename):
    MyFile = open(Filename, "r")
    X = MyFile.read()
    MyFile.close()
    return X

def ReadFileAsListOfStrings (Filename):
    MyFile = open(Filename, "r")
    X = MyFile.readlines()
    MyFile.close()
    return [L.rstrip("\n") for L in X]

# MyList is a list of numbers, each in range 0...255
def WriteABinaryFile (Filename, MyList):
    MyFile = open(Filename, "wb")
    MyFile.write(bytes(MyList))
    MyFile.close()
    return