Question

我编写了这段代码来读取文件并对其进行分析。

我使用fgets逐行分析它，这样我就找到了：

文件中的最大行;
总字数;
总行数。

在最后一部分，我只分析了得到的最大一行：

最大一行的字数。

感谢您的关注，我会等一些提示并帮助您找到任何错误。

#include <stdio.h>
#include <string.h>
int main(){
    int i,parole,righe,paroleRiga;
    char c[102],ccont,lineaMax[102], filename;
    FILE * fp= fopen(filename,"r");

    if (fp==NULL)
        printf("errore di apertura");
    parole=righe=0;
    c=fgetc(fp);
    lineaMax={0}
    while(fgets(c,102,fp)!=NULL){
        puts(c);
        if(strlen(c)>strlen(lineaMax))
            strncpy(lineaMax,c,strlen(c));
        for (i=0;i<=strlen(c);i++)
            if (c[i]!=''&&c[i]!='\n')
                parole++;

    }
    righe++;
    fclose(fp);
    do{
        ccont=getc(lineaMax);
        if (ccont=='') paroleRiga++;

    }while(ccont!='\n')

    printf("numero di linee:%d,\n",righe)
    print("caratteri Tot:%d\n,Max:%d,Media:%d\n",parole,paroleRiga,(parole/righe)
    printf("\ntesto linea più lunga:%s",lineaMax);

  return 0;
}

Answer 1

#include <stdio.h>
#include <string.h>

int main(){
    int i,
        parole = 0, //initialize variables here, its neater
        righe = 0,
        paroleRiga;
    char c[102], ccont, lineaMax[102] = "", *filename; //please initialize strings with strings. Btw, filename is never set
    FILE * fp= fopen(filename,"r");

    if (fp==NULL){
        printf("errore di apertura");
        exit(EXIT_FAILURE); //exit on failure
    }
    while(fgets(c,102,fp) != NULL){ // why 102
        puts(c);
        if(strlen(c) > strlen(lineaMax))
            strncpy(lineaMax,c,strlen(c));
        for (i=0;i<=strlen(c);i++)
            if (c[i]!=' '&&c[i]!='\n')
                parole++;

    }
    righe++;
    fclose(fp);
    do{
        ccont=getc(lineaMax);
        if (ccont==' ') paroleRiga++;

    } while(ccont!='\n');

    printf("numero di linee:%d,\n",righe); //righe is always 1 (0, ++)
    printf("caratteri Tot:%d\n,Max:%d,Media:%d\n",parole,paroleRiga,(parole/righe);
    printf("\ntesto linea più lunga:%s",lineaMax);

    return EXIT_SUCCESS;
}

有关文件的C统计信息，

1 个答案: