except FileNotFoundError:
pass
os.write(2, (rightHS[0] + ":command not found \n").encode())
sys.exit(1)
while (1):
# added the < 3 because PS1 was still printing an extrneous string
if 'PS1' in os.environ and len(
os.environ['PS1']) < 3: # Requirement 1 Prompt String.
os.write(1, (os.environ['PS1']).encode())
else:
os.write(1, "$ ".encode())
input = my_getLine() # Get input from method created in Lab Assignment #0
args = input.split()
if len(input) == 0: # If input is empty
break
if input.lower() == "exit": # Requirement 4: exit command
os.write(2, ("Shell Exited \n".encode()))
sys.exit(1)
if args[0] == "cd": #Requirement 4: cd command
if len(args) == 1:
os.chdir("..")
else:
os.chdir(args[1])
continue # Return to top of while
continue
break
if s is None:
print('could not open socket')
sys.exit(1)
delay = float(paramMap['delay'])
if delay != 0:
print(f"sleeping for {delays}s")
time.sleep(delay)
print("Done sleeping")
fs = frameSock(s)
input = my_getLine()
command, localfile, host, remotefile = parseTCPInput(input)
print(localfile)
print(remotefile)
fs.messagesend(remotefile.encode()) #sending file
responsesvr = fs.messagercv() #receive servers response
print(responsesvr)
if responsesvr == "No":
os.write(2, ("File cannot be transferred").encode())
elif responsesvr == 'Ok': #If file is "Ok"
filedir = os.open(localfile, os.O_RDONLY)
message = os.read(filedir, 100)
if s is None:
print("could not open socket")
sys.exit(1)
delay = float(paramMap['delay'])
if delay != 0:
print(f"sleeping for {delays}s")
time.sleep(delay)
print("done sleeping")
#above code provided by Dr.Freudenthal#
fs = framedSocket() #create instance of framedSocket class
input = my_getLine() #input from the user
command,localfile,host,remotefile = parseTCPInput(input) #parse input and get filename
fs.sendMessage(remotefile.encode())
reply = fs.receiveMessage()
if reply =="NO":
OS.WRITE(2,("Failed").encode())
sys.exit(1)
else:
fd = os.open(localfile, os.O_RDONLY)
buff = ""
message = ""