how to take inputs and give outputs from a file in c
#include<stdio.h>
int main()
{
FILE *fp;
char ch;
fp = fopen("one.txt", "w");
printf("Enter data...");
while( (ch = getchar()) != EOF) {
putc(ch, fp);
}
fclose(fp);
fp = fopen("one.txt", "r");
while( (ch = getc(fp)! = EOF)
printf("%c",ch);
// closing the file pointer
fclose(fp);
return 0;
}c read file from command line
You can use as your main function:
int main(int argc, char **argv)
So, if you entered to run your program:
C:\myprogram myfile.txt
argc will be 2
argv[0] will be myprogram
argv[1] will be myfile.txt
To read the file:
FILE *f = fopen(argv[1], "r");Copyright © 2021 Codeinu
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