code. compile. run. debug. share.
#include<stdio.h>
int main() {
FILE *fp;
char str[60];
//fputs example
fp = fopen("file.txt","a+");
if(fp == NULL) {
printf("fopen error\n");
return -1;
}
fputs("kumar",fp);
fclose(fp);
//fgets example
fp = fopen("file.txt","r");
if(fp == NULL) {
printf("fopen error\n");
return -1;
}
if(fgets(str,60,fp) != NULL) {
printf("%s ", str);
}
printf("\n");
fclose(fp);
//fprintf example
fp = fopen("file.txt","a+");
if(fp == NULL) {
printf("fopen error\n");
return -1;
}
fprintf(fp,"%s %d", "nelavalli", 2021);
fclose(fp);
//fscanf exmple
char str1[30], str2[30], str3[30];
fp = fopen("file.txt","a+");
if(fp == NULL) {
printf("fopen error\n");
return -1;
}
fscanf(fp, "%s %s %s", str1,str2,str3);
printf("%s %s %s \n",str1, str2, str3);
fclose(fp);
return 0;
}
kumarnelavalli 2021
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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