40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
// count.cpp -- counting characters in a list of files
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#include <iostream>
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#include <fstream>
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#include <cstdlib> // or stdlib.h
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int main(int argc, char * argv[])
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{
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using namespace std;
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if (argc == 1) // quit if no arguments
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{
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cerr << "Usage: " << argv[0] << " filename[s]\n";
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exit(EXIT_FAILURE);
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}
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ifstream fin; // open stream
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long count;
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long total = 0;
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char ch;
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for (int file = 1; file < argc; file++)
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{
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fin.open(argv[file]); // connect stream to argv[file]
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if (!fin.is_open())
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{
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cerr << "Could not open " << argv[file] << endl;
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fin.clear();
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continue;
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}
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count = 0;
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while (fin.get(ch))
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count++;
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cout << count << " characters in " << argv[file] << endl;
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total += count;
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fin.clear(); // needed for some implementations
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fin.close(); // disconnect file
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}
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cout << total << " characters in all files\n";
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return 0;
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}
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