Quick Answer: Which Member Function Is Used To Determine Whether Stream Object Is Currently Associated With A File?

Which of the following is not used to seek a file pointer?

10.

Which of the following is not used to seek file pointer.

Explanation: ios::set is not used to seek file pointer.

ios::end is used to seek from the end of the file..

Which of the following is used to accept a character from a file select one?

putchar() function is a file handling function in C programming language which is used to write a character on standard output/screen. getchar() function is used to get/read a character from keyboard input.

What is the function of EOF?

Use EOF to avoid the error generated by attempting to get input past the end of a file. The EOF function returns False until the end of the file has been reached. With files opened for Random or Binary access, EOF returns False until the last executed Get statement is unable to read an entire record.

How do I write a string to a file?

Perhaps the cleanest, most succinct solution to write a String to a File is through the use of the FileWriter. With this class, you pass its constructor the File object that you’d like to write to, and then you call its write method to write strings of data to the file.

Which is correct syntax?

Along with diction, syntax is a fundamental part of written language. … Syntax states the rules for using words, phrases, clauses and punctuation, specifically to form sentences. Correct syntax examples include word choice, matching number and tense, and placing words and phrases in the right order.

What is use of eof () in C++?

C++ provides a special function, eof( ), that returns nonzero (meaning TRUE) when there are no more data to be read from an input file stream, and zero (meaning FALSE) otherwise. Rules for using end-of-file (eof( )): 1. Always test for the end-of-file condition before processing data read from an input file stream. a.

How do you get the name of a file from a file object FP?

3. How do you get the name of a file from a file object (fp)? Explanation: name is an attribute of the file object. 4.

Which function is used to write a list of string in a file?

Discussion ForumQue.Which function is used to write a list of string in a filea.writeline()b.writelines()c.writestatement()d.writefullline()1 more row

What is the use of ios :: trunc mode?

ios::trunc (short for truncate) means that when the file is opened, the old contents are immediately removed.

How do you open a file for both read and write in C++?

Either ofstream or fstream object may be used to open a file for writing. And ifstream object is used to open a file for reading purpose only. Following is the standard syntax for open() function, which is a member of fstream, ifstream, and ofstream objects. void open(const char *filename, ios::openmode mode);

Which stream class is used to both read and write on files?

fstreamfstream: Stream class used for both reading and writing from/to files.

Which header file is used for reading and writing to a file?

fstreamExplanation: header file contains all the file reading and writing functions. Also and contains functions only reading and only writing to files related functions respectively.

Is return type of Is_open () function?

You can check if a file has been correctly opened by calling the member function is_open(): … that returns a bool type value indicating true in case that indeed the object has been correctly associated with an open file or false otherwise.

What is an Ifstream?

The ifstream is a file stream class used for file handling. To use ifstream header file fstream is used. It is used for reading input from the file. In order to read from a file an object of type ifstream is created.

Which one of the following is NOT attributes of file?

4. Which one of the following is not attributes of file? Explanation: rename is not the attribute of file rest all are files attributes. Attribute Description file.

What are the return values of the Is_open () function?

is_open() function in C++ always return 0 value and getLine(myFile, line) does not return anything.

What is the value of EOF?

EOF instead is a negative integer constant that indicates the end of a stream; often it’s -1, but the standard doesn’t say anything about its actual value. C & C++ differ in the type of NULL and ‘\0’ : in C++ ‘\0’ is a char , while in C it’s an int ; this because in C all character literals are considered int s.