finding no of words

This is a discussion on finding no of words within the C++ Programming forums, part of the General Programming Boards category; can anybody please help me with a program to find the number of words in a given sentence , no ...

  1. #1
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    finding no of words

    can anybody please help me with a program to find the number of words in a given sentence , no matter how many spaces are inbetween.......
    Or atleast give me a clue.....

  2. #2
    Registered User hk_mp5kpdw's Avatar
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    A clue? Sure... operator>> parses out data according to whitespace.
    "Owners of dogs will have noticed that, if you provide them with food and water and shelter and affection, they will think you are god. Whereas owners of cats are compelled to realize that, if you provide them with food and water and shelter and affection, they draw the conclusion that they are gods."
    -Christopher Hitchens

  3. #3
    spurious conceit MK27's Avatar
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    You can use std::string::find_first_of() in a loop.

    Code:
    #include <iostream>
    #include <string>
    
    using namespace std;
    
    int main() {
    	string eg = "this and that";
    	size_t pos = 0;
    
    	while ((pos = eg.find_first_of(" \t",pos)) != eg.npos) {
    		cout << pos << eg.substr(pos) << endl;
    		pos++;
    	}
    
    	return 0;
    }
    This is just a clue, I'm not going to write the whole thing for you.
    C programming resources:
    GNU C Function and Macro Index -- glibc reference manual
    The C Book -- nice online learner guide
    Current ISO draft standard
    CCAN -- new CPAN like open source library repository
    3 (different) GNU debugger tutorials: #1 -- #2 -- #3
    cpwiki -- our wiki on sourceforge

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