52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
#include <iostream>
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#include <fstream>
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#include <cstdlib>
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#include <cctype>
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using namespace std;
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void countStuff(istream& in,
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int& chars,
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int& words,
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int& lines) {
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char cur = '\0';
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char last = '\0';
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chars = words = lines = 0;
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while (in.get(cur)) {
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if (cur == '\n' ||
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(cur == '\f' && last == '\r'))
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lines++;
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else
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chars++;
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if (!std::isalnum(cur) && // This is the end of a
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std::isalnum(last)) // word
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words++;
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last = cur;
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}
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if (chars > 0) { // Adjust word and line
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if (std::isalnum(last)) // counts for special
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words++; // case
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lines++;
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}
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}
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int main(int argc, char** argv) {
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if (argc < 2)
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return(EXIT_FAILURE);
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ifstream in(argv[1]);
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if (!in)
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exit(EXIT_FAILURE);
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int c, w, l;
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countStuff(in, c, w, l);
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cout << "chars: " << c << '\n';
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cout << "words: " << w << '\n';
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cout << "lines: " << l << '\n';
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}
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