C File Write Example
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C File Write Example
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Write To a File Let s use the w mode from the previous chapter again and write something to the file we just created The w mode means that the file is opened for writing To insert content to it you can use the fprintf function and add the pointer variable fptr in our example and some text Example FILE fptr Here’s an example of reading data from a file and writing to it: #include #include main() { FILE *fp; char ch; fp = fopen("hello.txt", "w"); printf("Enter data"); while( (ch = getchar()) != EOF) { putc(ch,fp); } fclose(fp); fp = fopen("hello.txt", "r"); while( (ch = getc(fp)! = EOF) printf("%c",ch); fclose(fp); }
C File Write Example#include #include int main() { char sentence [1000]; // creating file pointer to work with files FILE *fptr; // opening file in writing mode fptr = fopen ("program.txt", "w"); // exiting program if (fptr == NULL) { printf("Error!"); exit(1); } printf("Enter a sentence:\n"); fgets (sentence, sizeof(sentence), stdin); fprint. C File Examples 1 C program to read name and marks of n number of students and store them in a file include int main char name 50 int marks i num printf Enter number of students scanf d num FILE fptr fptr fopen C student txt w if fptr NULL printf Error exit 1 for i 0 i