45 lines
792 B
C
45 lines
792 B
C
#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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int main(int argc, char *argv[]) {
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char *src = "src-test.txt";
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char *dst = "dst-test.txt";
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if (argc == 3) {
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src = strdup(argv[1]);
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dst = strdup(argv[2]);
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} else {
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fprintf(stderr, "Argumentos invalidos.\n");
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return 1;
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}
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FILE *fpsrc, *fpdst;
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fpsrc = fopen(src, "r");
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if (fpsrc == NULL) {
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perror("fopen");
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return 1;
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}
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fpdst = fopen(dst, "w");
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if (fpdst == NULL) {
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perror("fopen");
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return 1;
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}
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int c;
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while ((c = fgetc(fpsrc)) && c != EOF) {
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fputc(toupper(c), fpdst);
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}
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fclose(fpsrc);
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fclose(fpdst);
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printf("Archivo duplicado en mayusculas con exito en: %s\n", dst);
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return 0;
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}
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