wc

Word-count utility

wc.cpp

#include <Core/Core.h>

// This is inspired by http://www.digitalmars.com/d/2.0/cppstrings.html

using namespace Upp;

#define NOOUTPUT

int main(int argc, const char *argv[])

{

    VectorMap<String, int> map;

    Cout() << "   lines   words   bytes file\n";

    int total_lines = 0;

    int total_words = 0;

    int total_bytes = 0;

    for(int i = 1; i < argc; i++) {

        String f = LoadFile(argv[i]);

        int lines = 0;

        int words = 0;

        const char *q = f;

        for(;;) {

            int c = *q;

            if(IsAlpha(c)) {

                const char *b = q++;

                while(IsAlNum(*q)) q++;

                map.GetAdd(String(b, q), 0)++;

                words++;

            }

            else {

                if(!c) break;

                if(c == '\n')

                    ++lines;

                q++;

            }

        }

        Cout() << Format("%8d%8d%8d %s\n", lines, words, f.GetCount(), argv[i]);

        total_lines += lines;

        total_words += words;

        total_bytes += f.GetCount();

    }

    Vector<int> order = GetSortOrder(map.GetKeys());

#ifndef NOOUTPUT

    Cout() << Format("--------------------------------------%8d%8d%8d total\n", total_lines, total_words, total_bytes);

    for(int i = 0; i < order.GetCount(); i++)

        Cout() << map.GetKey(order[i]) << ": " << map[order[i]] << '\n';

#endif

    return 0;

}

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