#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
 
int main() {
    FILE *file;
    char filename[100];
    char word[100], smallest[100] = "";
    int minLen = 9999, len;
 
    // Step 1: Get the file name
    printf("Enter file name: ");
    scanf("%s", filename);
 
    // Step 2: Open the file
    file = fopen(filename, "r");
    if (file == NULL) {
        printf("Unable to open file!\n");
        return 0;
    }
 
    // Step 3: Read words one by one
    while (fscanf(file, "%s", word) != EOF) {
        // Remove trailing punctuation
        len = strlen(word);
        while (len > 0 && ispunct(word[len - 1])) {
            word[len - 1] = '\0';
            len--;
        }
 
        // Ignore empty strings
        if (len == 0)
            continue;
 
        // Step 4: Check for smallest
        if (len < minLen) {
            minLen = len;
            strcpy(smallest, word);
        }
    }
 
    fclose(file);
 
    // Step 5: Display result
    if (minLen < 9999)
        printf("The smallest word is: '%s' (Length: %d)\n", smallest, minLen);
    else
        printf("No words found in file.\n");
 
    return 0;
}