STARTING OUT WITH C++ MPL
9th Edition
ISBN: 9780136673989
Author: GADDIS
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 38RQE
A negative offset causes the file’s read or write position to be moved ______ in the file from the position specified by the mode.
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Chapter 13 Solutions
STARTING OUT WITH C++ MPL
Ch. 13.1 - Name three different C++ classes that can be used...Ch. 13.1 - Name three different C++ classes that can be used...Ch. 13.1 - What is the purpose of the second parameter to the...Ch. 13.1 - Why is it important for a program to close an open...Ch. 13.1 - Which file open flag causes all output to take...Ch. 13.1 - Which file open flag causes the contents of an...Ch. 13.1 - What happens if ios: :out is used by itself to...Ch. 13.1 - What happens if ios::out is used by itself to open...Ch. 13.1 - Write a sequence of C++ statements that reads in...Ch. 13.1 - Write a sequence of C++ statements that reads in...
Ch. 13.1 - Show how to use the constructor of the fstream...Ch. 13.1 - Consider two parallel arrays of the same size, one...Ch. 13.3 - Make the required changes to the following program...Ch. 13.3 - Describe the purpose of the eof member function.Ch. 13.3 - Assume the file input.txt contains the following...Ch. 13.3 - Describe the difference between reading a file...Ch. 13.3 - Describe the difference between the getline...Ch. 13.3 - Describe the purpose of the put member function.Ch. 13.3 - What will be stored in the file out.dat after the...Ch. 13.3 - The following program skeleton, when complete,...Ch. 13.5 - Write a short program that opens two files...Ch. 13.5 - How would the number 479 be stored in a text file?...Ch. 13.5 - Describe the differences between the write member...Ch. 13.5 - What arc the purposes of the two arguments needed...Ch. 13.5 - What are the purposes of the two arguments needed...Ch. 13.5 - Describe the relationship between fields and...Ch. 13.5 - Prob. 13.27CPCh. 13.7 - Describe the difference between the seekg and the...Ch. 13.7 - Describe the difference between the tellg and the...Ch. 13.7 - Describe the meaning of the following file access...Ch. 13.7 - What is the number of the first byte in a file?Ch. 13.7 - Briefly describe what each of the following...Ch. 13.7 - Describe the mode that each of the following...Ch. 13 - Prob. 1RQECh. 13 - Before a file can be used, it must first beCh. 13 - When a program is finished using a file, it shouldCh. 13 - The__________ header file is required for file I/O...Ch. 13 - Prob. 5RQECh. 13 - The_____________ file stream data type is for...Ch. 13 - The____________ file stream data type is for input...Ch. 13 - The ______ file stream data type is for output...Ch. 13 - Write a statement that defines a file stream...Ch. 13 - Write a statement that defines a file stream...Ch. 13 - Write a statement that defines a file stream...Ch. 13 - Write two statements that use the people file...Ch. 13 - Write two statements that use the pets file stream...Ch. 13 - Write two statements that use the places file...Ch. 13 - If a file fails to open, the file stream object...Ch. 13 - Write a program segment that defines a file stream...Ch. 13 - The same formatting techniques used with ______...Ch. 13 - The ______ member function reports when the end of...Ch. 13 - The ______ function reads a line of text from a...Ch. 13 - The _______ member function reads a single...Ch. 13 - The _____ member function writes a single...Ch. 13 - Prob. 22RQECh. 13 - Prob. 23RQECh. 13 - Prob. 24RQECh. 13 - In C++, _______ provide a convenient way to...Ch. 13 - The _______ member function writes raw binary data...Ch. 13 - The _______ member function reads raw binary data...Ch. 13 - The ______ operator is necessary if you pass...Ch. 13 - In _______ file access, the contents of the file...Ch. 13 - In _____ file access, the contents of a file may...Ch. 13 - The _______ member function moves a files read...Ch. 13 - The ______ member function moves a files write...Ch. 13 - The _______ member function returns a files...Ch. 13 - The _______ member function returns a files...Ch. 13 - The ______ mode flag causes an offset to be...Ch. 13 - The ______ mode flag causes an offset to be...Ch. 13 - The ______ mode flag causes an offset to he...Ch. 13 - A negative offset causes the files read or write...Ch. 13 - Give a pseudocode algorithm for determining the...Ch. 13 - Give a pseudocode algorithm for comparing two...Ch. 13 - Prob. 41RQECh. 13 - Suppose that you have two text files that contain...Ch. 13 - Each of the following programs or program segments...Ch. 13 - File Previewer Write a program that asks the user...Ch. 13 - File Display Program Write a program that asks the...Ch. 13 - Punch Line Write a program that reads and prints a...Ch. 13 - Tail of a File Write a program that asks the user...Ch. 13 - String Search Write a program that asks the user...Ch. 13 - Sentence Filter A program that processes an input...Ch. 13 - File Encryption Filter File encryption is the...Ch. 13 - File Decryption Filter Write a program that...Ch. 13 - Letter Frequencies The letter e is the most...Ch. 13 - Put It Back C++ input stream classes have two...Ch. 13 - Prob. 11PCCh. 13 - Insertion Sort on a File II Modify the program...Ch. 13 - Prob. 13PCCh. 13 - Prob. 14PCCh. 13 - Inventory Program Write a program that uses a...Ch. 13 - Inventory Program Write a program that uses a...Ch. 13 - Group Project 17. Customer Accounts This program...
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- (Data processing) a. Write a C++ program that opens a file and displays its contents with line numbers. That is, the program should print the number 1 before displaying the first line, print the number 2 before displaying the second line, and so on for each line in the file. b. Modify the program written in Exercise 6a to list the file’s contents on the printer assigned to your computer.arrow_forwardFill-in-the-Blank A negative offset causes the file’s read or write position to be moved __________ in the file from the position specified by the mode.arrow_forwardPOWERSHELL TASK Try to multiply two numbers stored into a file and the file name should be a command-line argument.arrow_forward
- Function___________ repositions the file position pointer to the beginning of the filearrow_forwardFile Display ProgramWrite a program that asks the user for the name of a file. The program should display thecontents of the file on the screen. If the file’s contents won’t fit on a single screen, the program should display 24 lines of output at a time, and then pause. Each time the programpauses, it should wait for the user to strike a key before the next 24 lines are displayed.arrow_forwardWord List File Writer: Write a program that asks the user how many words they would like to write to a file, andthen asks the user to enter that many words, one at a time. The words should be writtento a file (in python)arrow_forward
- Prog 1. File Encryption: File encryption is the science of writing the contents of a file in a secret code. Your encryption program should work like a filter reading the contents of one file, modifying each character in the input file into a code, and then writing the coded characters out to a second file. The second file will be a version of the first file but written in a secret code. In Notepad or something similar, you will create a file with text in it. It should be several lines long. Your program should read the file character by character and make some change to the character before writing that character to a second new encrypted file. See program 13-8 to see how to read and write one character at a time. You may come up with an encryption technique of your own or use something simple like adding 10 to the ASCII code of each character in the file before it is written to the second file.arrow_forwardWhat is a file’s read position?arrow_forward#function read file and display reportdef displayAverage(fileName):#open the fileinfile = open(fileName, "r")#variable declaration and initializationtotal = 0count = 0#read filefor num in infile:total = total + float(num)count = count + 1#close the fileinfile.close()#calculate averageaverage = total / count#display the resultprint("Average {:.1f}".format(average)) #method callingdisplayAverage("numbers.txt")arrow_forward
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