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import time
import os
import sys
print "This example demonstrates how to create a text file, write something to it and then read what we wrote."
print "What shall we call the file?"
filename = raw_input()
print "Where would you like to store the file? (can be left empty)"
# Practice: Where does the file get stored if we leave this empty?
directory = raw_input()
if len(directory) != 0 and directory[-1] != "/":
directory = directory + "/"
full_name = directory + filename
if os.path.exists(full_name):
print "Warning: That file already exists, will be overwritten if you continue!"
print "Continue? (yes/no)"
cont = raw_input()
if cont == "no":
print "Aborting..."
sys.exit()
elif cont != "yes" and cont != "no":
print "Wrong input, aborting..."
sys.exit()
print "Please enter the text you would like to store."
text = raw_input()
# Let's also write the current time to that file.
# \n is the way of saying "i'm finished with that line, move to the next one."
current_time = time.ctime()
try:
# Open the file in the "w"rite mode.
my_file = open(full_name, "w")
# Write the current time:
my_file.write("The following text was written at: " + current_time + "\n")
# Write our text:
my_file.write(text)
my_file.write("\n")
# Close the file.
my_file.close()
except:
print "An error occured in the writing phase!"
try:
# Now lets read from that same file. This is how reading is done.
# First: Open the file in "r"ead mode.
my_file = open(full_name, "r")
# Second: Read from it.
from_file = my_file.read()
# Third: Close the file.
my_file.close()
except:
print "An error occured in the reading phase!"
# Print what we've read.
print from_file
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