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

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:

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