diff --git a/.gitignore b/.gitignore index ba31965..370d2f0 100644 --- a/.gitignore +++ b/.gitignore @@ -1,4 +1,6 @@ #Ignore some python cache files __pycache__/* #Ignore the extras from VSCode -.vscode/* \ No newline at end of file +.vscode/* +#Ignore the text files created during testing +test.txt \ No newline at end of file diff --git a/fileOperations.py b/fileOperations.py new file mode 100644 index 0000000..02604f0 --- /dev/null +++ b/fileOperations.py @@ -0,0 +1,69 @@ +#This is a simple script that deals with normal file operations using a simple random number generator +##Need to add binary files to this example + +import random + +_NUM_TO_GENERATE = 10 #Generate this many random numbers +_BOTTOM_NUMBER = 1 #The lowest number to generate +_TOP_NUMBER = 101 #Generate numbers smaller than this +_FILE_NAME = "test.txt" #The name of the file it is working with + +#Open the file +outFile = open(_FILE_NAME, "w") +print("Generating " + str(_NUM_TO_GENERATE) + " random numbers:") +randomList = [] #Keeping a list in memory of the numbers generated to compare the file against + +for x in range(_NUM_TO_GENERATE): + num = random.randint(_BOTTOM_NUMBER, _TOP_NUMBER) + print(str(num)) #Print the number to the screen + outFile.write(str(num) + '\n') #Put the number in the file + randomList.append(num) #Save the number to an array +#Close the file +outFile.close() + +#Print a message that you have reached the end of number generation +print("File is now closed") +print("\nOpening file for reading:") + +#Open the file for reading +inFile = open(_FILE_NAME, "r") + +#Read the numbers back in and print them to the screen +cnt = 0 #For keeping track of the array element +for num in inFile: + num = num.rstrip() + print(num) + if(int(num) != randomList[cnt]): #Compare to numbers in the array + print("The number " + str(num) + " did not match with the number " + str(randomList[cnt])) #Print message if numbers don't match + break #Break the loop if you had a problem reading an array element, leaving the error message as the last thing in the output + cnt += 1 #advance the array element if everything was alright + +#Close the file +inFile.close() + +"""Results: +Generating 10 random numbers: +14 +99 +48 +43 +23 +28 +81 +89 +29 +20 +File is now closed + +Opening file for reading: +14 +99 +48 +43 +23 +28 +81 +89 +29 +20 +""" \ No newline at end of file