Question

我正在尝试编写一个单词搜索代码，该代码从100x201 char文本文件中获取输入，并逐行搜索文件中的关键字，如果在该行中找到该关键字，则会打印该行，行号，以及找到单词的次数。这段代码可以正确地找到每一行中的单词，但是即使下一行没有出现，它也会打印出下一行也包含该单词。在我的输出中，应该显示“ MAIN”仅在第163和187行中总共发现了4次，而不是163,164、178,188总共出现了7次。链接显示图片，左边是我的输入文件的一部分，右边是我的当前输出。

https://www.tumblr.com/blog/jnimnim

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>

void my_strcpy(char In[], char Out[], int L) { //copies ln_string[i] to tempword with "length" amount of characters
    int i;
    for (i = 0; i < L; i++) 
    {
        Out[i] = In[i];
    }
    Out[L] = '\0';

    return;
}

int search_current_line(char Line_str[], char word[]) {     //function to search one line
    int i,length,count;
    count = 0;
    length = strlen(word);      //find length of desired word
    char tempword[15];          //declare a temp string that we can use strncmp with word
    for (i = 0; i <= 99; i++) { //one iteration for each character in line
        my_strcpy(&Line_str[i], tempword, length); 
        if (strncmp(word, tempword, length) == 0) {//check if word=tempword
            count = count + 1;                  //if true increment counter
        }
    }
    return count;
}


int main() {
    char YorN ='Y';
    while (YorN == 'Y') {
        int line = 0;           //initialize variables at beginning of loop
        int totalcount = 0;
        char line_str[100];
        char word[15];
        FILE *inp;
        inp = fopen("DataFile.txt", "r");               //open input file
        printf("Enter word to search for (all caps):"); //prompt user for word
        scanf("%s", &word);
        printf("\n\n");
        while (!feof(inp)) {        //while not end of file
            fgets(line_str, 100, inp);      //read line into string
            line = line + 1;        //increment line count
            if (search_current_line(line_str, word) >= 1) 
            {
                printf("%s was found %d times on line %d\n", word, search_current_line(line_str, word), line);  //print statements if word was found in line
                printf("The line is:\n%s\n\n", line_str);
                totalcount = totalcount + search_current_line(line_str, word); //increment totalcount by searchline function because it returns count
            }

        }
        if (totalcount > 0) {
            printf("%s was found a total of %d times in the puzzle.\n\n", word, totalcount);//print at end if word was found in puzzle
        }
        else {
            printf("%s was not found in the puzzle.\n\n", word);//print if word wasn't found
        }

        printf("Would you like to look for another word? (Y or N):");       //ask user to continue
        scanf(" %c", &YorN);
    }
    printf("Goodbye.\n");
return 0;
}

我的字词搜索代码显示不正确的语句

0 个答案: