import os, sys
ls = os.linesep

while True:
    fname = raw_input("Name of the file you'd like to create? ")
    if os.path.exists(fname): print "%s already exists" % fname
    else: break

all = []
print "\nEnter lines ('.' by itself to quit).\n"

while True:
    entry = raw_input(">> ")
    if entry == '.': break
    else: all.append(entry)

if len(all) <= 0: sys.exit(1)

FILE = open(fname, 'w')
FILE.seek(0)
FILE.writelines('%s' % [(x + ls) for x in all])
FILE.close()
print 'DONE.'