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#include"count_text.h"#include#include int main(int argc,char* argv[]){ char* file = NULL; FILE* fp = NULL;//文件指针，指向file文件 fp = fopen(argv[1], "rb");//只读 fseek(fp, 0L, SEEK_END);//定位到文件末尾 int size = ftell(fp);//从文件开始到末尾的的字节数 file = (char*)malloc(size+1); memset(file, 0, size+1); strcpy(file, argv[1]); fp = fopen(file, "rb");//只读 if (fp == NULL) { fprintf(stderr, "can't open file.txt\n"); return(EXIT_FAILURE); } /*char ch = 0; while (EOF != (ch = getc(fp))) { printf("%c", ch); } */ //统计字符数 count_ch(fp); //统计单词数 count_word(fp); //统计行数 count_lines(fp); //统计非空行数 count_non_empty_line(fp); fclose(fp); free(file); file = NULL; system("pause"); return(0);}
#ifndef COUNT_TEXT_H#define COUNT_TEXT_H#includeint count_ch(FILE* fp);int count_word(FILE* fp);int count_lines(FILE* fp);int count_non_empty_line(FILE* fp);#endif
#include"count_text.h"#include#include //#define SPACE ' '//#define NON ('\n'!= (ch = getc(fp)))&&('\r'!= (ch = getc(fp)))&& ('!' != (ch = getc(fp))) && ('\t' != (ch = getc(fp)))&& (',' != (ch = getc(fp))) && ('*' != (ch = getc(fp)))int count_ch(FILE* fp){ char ch = 0; int count_ch = 0; rewind(fp);//返回文件开始处 while (EOF != (ch = getc(fp))) { ++count_ch; } printf("文本中的字符数为：%d\n", count_ch); return count_ch;}int count_word(FILE* fp){ int count_word = 0; char ch = 0; int flag = 0; rewind(fp); ch = getc(fp); while (EOF != ch) { //如果不是空白字符，就是标志单词的开始 //if ((ch != ' ') && ('!' != ch) && ('*' != ch) && ('\r' != ch) && ('\n' != ch)) if (isalnum(ch)) { if (flag == 0) { flag = 1;//标记单词 } } //如果是空白字符，再次判断是不是单词状态（排除多个连续空白字符，误被统计成单词） else { if (flag == 1) { ++count_word; flag = 0; } } ch = getc(fp); } //判断最后一个非空白字符的单词 if (flag == 1) { ++count_word; } printf("the count of word is：%d\n", count_word); return count_word;}int count_lines(FILE* fp){ int count_line = 0; char ch = 0; rewind(fp); ch = getc(fp); while (EOF != ch) { if (ch == '\n') { ++count_line; } ch = getc(fp); } printf("the count of line：%d\n", count_line); return count_line;}int count_non_empty_line(FILE* fp){ int count_non_empty_line = 0; int count_empty_line = 0; char ch = 0; rewind(fp); while (EOF != ch) { if ((ch == '\n') && ((ch = getc(fp)) == '\r')) { ++count_empty_line; } ch = getc(fp); } int count=count_lines(fp); count_non_empty_line = count - count_empty_line; printf("the count of non_empty_line: %d\n", count_non_empty_line); return count_non_empty_line; }
a this is bookc standard librarylibrary functions and macros end
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