把英文文本中的标点符号用空格替换

 #include <iostream>

#include <string>

#include <cctype>

#include <fstream>

#include <vector>

#include <sstream>

using namespace std;

void main()

{

fstream inFile;

inFile.open("d://infile.txt");

vector<string> vec;

string line,result;

while(getline(inFile , line))

{

for(string::size_type index = 0; index != line.size(); index++)

{

if(ispunct(line[index]))

{

result = result + " ";

}

else

{

result = result + line[index];

}

}

vec.push_back(result);

result.clear();

}

fstream outFile;

outFile.open("d://outfile.txt",ios::out);

for(vector<string>::iterator p = vec.begin();p != vec.end() ;++p)

{

outFile << (*p) <<endl;

}

outFile.close();

inFile.close();

}