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/** * copia un file sorgente su uno destinazione usando gli stream */ #include #include int main(int argc, char *argv[]) { FILE *in, *out; int c; if (argc < 3) { printf("utilizzo: %s sorgente destinazione\n", argv[0]); exit(1); } // apre lo stream sorgente in sola lettura if ((in = fopen(argv[1], "r")) == NULL) { perror(argv[1]); exit(1); } // apre/crea lo stream destinazione in sola scrittura (con troncamento) if ((out = fopen(argv[2], "w")) == NULL) { perror(argv[2]); exit(1); } // copia i dati dalla sorgente alla destinazione carattere per carattere while ((c = fgetc(in)) != EOF) fputc(c, out); // chiude gli stream fclose(in); fclose(out); }