100% C prog to write only పెద్ద అక్షరాలు (uppercase letters) into file and subsequently print the content
/*dedicated to student who asked genuine doubt and made me think*/ /*this program will create a file where only uppercase (A-Z) letters get written into the file. the content is later read and displayed on to the screen */ #include<stdio.h> #include<conio.h> void main() { char ch; FILE *fptr; fptr=fopen("nayA1601.txt","w"); printf("\n start entering the data: \n "); ch=getchar(); while(ch!='z') { if((ch>=65 &&ch<=92)) //only uppercase letters get written into file fputc(ch,fptr);// only this line is inside the if condition ch=getchar(); } fclose(fptr); printf("\n writing is over. lets read now:\n"); fptr=fopen("nayA1601.txt","r"); printf("\n\n start reading the data from the file: \n "); while(!feof(fptr)) { ch=fgetc(fptr); putchar(ch); } fclose(fptr); getch(); }
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