Write a few statements that open a file called "greeting", write the message "hey! " to the file -- and then close it. declare any variables needed.

The program illustrates files and file manipulations

File manipulations involve writing to a file, reading from a file, and appending texts to a file.

The program in Python is as follows:

f = open("greeting.txt", "w")

f.write("hey!")

f.close()

The flow of the above program is as follows

The first line opens the file named greeting for a write operationThe next line writes "hey" to the fileThe last line closes the file

At the end of the program, the text is written to the file, and then closed.

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The answer to this question can be given as:

Statement:

FILE *data1;     //create file pointer type variable

data1 = fopen("greeting","w");    //open file use fopen function

fprintf(data1,"hey!");    //print message.

fclose(data1);  //close file.

Explanation:

The description of the statement can be given as:

In this statement firstly we define a file pointer type variable that is "data1".This variable holds the file.  Then we use the fopen() function that is used to open a file. In this function, we pass the file name and the mode to open the file. Then we use the fprintf() function this function prints the value of the file. In the last, we close the file, for close file we use fclose() function.

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