# Program to print file contents with line number prepended to each line
#
# Matt Bishop, MHI 289I, Winter 2019
#
def main():
	# get file name
	try:
		fname = input("Please enter the name of the file to print: ")
	except EOFError:
		return
	except:
		print("Could not read what you typed")
		return
	#
	# print file contents line by line, adding line numbers as we go
	#
	try:
		infile = open(fname, 'r')
	except IOError:
		print("Error opening file", fname, "for reading")
		return
	except:
		print("Unknown error")
		return
	# initialize line counter
	lineno = 1
	# for each line in the file ...
	for line in infile:
		# print the line number, then the line
		# note the newline is in line already
		print("%6d." % lineno, line, end='')
		lineno = lineno + 1
	# all done!
	infile.close()

main()