# Functional Programming & File Reading Example
#
# CS 1301 - Spring 2009
# Jay Summet
#
# Both functions will read in a file and print any lines that contain
# hash marks ("#"). They will only print from the hash mark to the end of
# the line.

def printComments(filename):

    myfile = open(filename,"r")

    line = myfile.readline()


    while( len(line) > 0):
        if ( "#" in line):
            loc = line.find("#")
            print line[loc:]
        line = myfile.readline()

    myfile.close()


def functionalPrintComments(filename):

    myfile = open(filename,"r")
    lines = myfile.readlines()
    myfile.close()

    #Filter out any lines that don't have '#' marks.
    comments = filter( lambda s: "#" in s, lines)

    #Strip out everything before the hasmarks
    stripped =  map(lambda s: s[ s.find("#"): ] , comments )

    for s in stripped:
        print s