murat
1cb1966342
checking for --help and -h flags checking for arg count checking if specified file exists
31 lines
720 B
C++
31 lines
720 B
C++
#include <iostream>
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#include <string>
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#include <filesystem>
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using std::cout;
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namespace fs = std::filesystem;
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int main(int argc, char *argv[]) {
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for (int i = 0; i <= argc - 1; i++) {
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std::string arg = argv[i];
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if (arg == "--help" || arg == "-h") {
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cout << "help flag detected!";
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return 0;
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}
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}
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if (argc != 2) {
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cout << "Please specify image file. " << argv[0] << " imagefile.jpg";
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} else {
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std::string imagefile = argv[1];
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cout << "File: " << imagefile << "\n";
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if (!fs::is_regular_file(imagefile)) {
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std::cout << "File not found: " << imagefile << "\n";
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return 1;
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}
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}
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return 0;
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}
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