60 lines
1.0 KiB
C++
60 lines
1.0 KiB
C++
/*
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Nome: Mario
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Cognome: Montanari
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Classe: 3AIN
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Data: 29/03/2025
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*/
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#include <iostream>
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#include <cstring>
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#define SIZE 1000+1
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using namespace std;
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void creaFile(const char *nomeFile, const char *nomeFileDestinazione);
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void invertiRighe(char *str);
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int main(void) {
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creaFile("righe.txt", "righe_invertite.txt");
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return 0;
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}
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void creaFile(const char *nomeFileSorgente, const char *nomeFileDestinazione) {
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FILE *fr = fopen(nomeFileSorgente, "rt");
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if (fr != NULL) {
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FILE *fw = fopen(nomeFileDestinazione, "wt");
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if (fw != NULL) {
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char str[SIZE];
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while (fgets(str, sizeof(str), fr) != NULL) {
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char *pos;
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if ((pos = strchr(str, '\n')) != NULL) {
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*pos = '\0';
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}
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invertiRighe(str);
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fputs(str, fw);
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fputs("\n", fw);
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}
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fclose(fw);
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}
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fclose(fr);
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} else {
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perror("Error");
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}
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}
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void invertiRighe(char *str) {
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for (char *pl = str, *pr = str + strlen(str) - 1; pl < pr; pl++, pr--) {
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char temp = *pl;
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*pl = *pr;
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*pr = temp;
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}
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} |