读取文件行数，字符数，单词数

　　c语言有点差，但终于完成了；不足之处，在以后的学习中不断改善。

https://github.com/sacfwe/wcexe

#include <iostream>
#include <stdlib.h>
#include <fstream>
#include <string>
using namespace std;

int Linecount()
{
char filename[20];
int flag=0,n=0;
FILE *fp;
int m=0;
char c;
cout<<"输入文件名："<<endl;
cin>>filename;
if((fp=fopen(filename,"r"))==NULL)
{ printf("文件无法打开\n");
exit(0);
}
else
{
while((c = fgetc(fp)) != EOF) 
{
if(c == '\n') n++; 
m= c;
}
fclose(fp); 
if(m!='\n') n++;
return n;
}
}

 

 int Wordcount()

{
char filename[20];
int m=0,n=0;
FILE *fp;
char c;
cout<<"输入文件名："<<endl;
cin>>filename;
if((fp=fopen(filename,"r"))==NULL)
{ cout<<"文件无法打开"<<endl;
exit(0);
}
while(feof(fp)==0)
{ c=fgetc(fp);
if(c==' '||c=='\n') m=0;
else if(m==0)
{
m=1;n++;
}
}
return n;
}

int Charcount()
{
char filename[20];
int flag=0;
FILE *fp;
char c;
int n =0;
cout<<"输入文件名："<<endl;
cin>>filename;
if((fp=fopen(filename,"r"))==NULL)
{ cout<<"文件无法打开"<<endl;
exit(0);
}
while(fgetc(fp)!=EOF)
n++;
fclose(fp);
return n;
}

int main()
{
while(1)
{
int wordcount=0,linecount=0,charcount=0;
char ch;
cout<<"输入用户命令：wc.exe |";
cin>>ch;
if(ch=='w')
{
wordcount=Wordcount();
cout<<"文件单词个数为："<<Wordcount()<<endl;
}
if(ch=='l')
{
linecount=Linecount();
cout<<"文件的行数为: "<<Linecount()<<endl;
}
if(ch=='c')
{
charcount=Charcount();
cout<<"文件的字符数为："<<Charcount()<<endl;
}
}
}

源代码已上传GitHub：https://github.com/sacfwe/wcexe