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#include <array>
#include <filesystem>
#include <iostream>
#include <string>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
namespace fs = std::filesystem;
int main(int argc, char* argv[]) {
if (argc != 2) {
std::cerr << "Usage: " << argv[0] << " <dir>\n";
return -1;
}
for (const auto& e : fs::directory_iterator(argv[1])) {
if (!e.is_regular_file())
continue;
std::string path = e.path().string();
pid_t pid = fork();
if (pid < 0) {
std::cerr << "fork failed\n";
return -1;
}
if (pid == 0) {
std::string path = e.path().string();
std::array<char*, 2> args{
path.data(),
nullptr
};
execvp(args[0], args.data());
std::cerr << "execvp failed: " << path << '\n';
return -1;
}
int status;
if (waitpid(pid, &status, 0) < 0) {
std::cerr << "waitpid failed\n";
return -1;
}
}
return 0;
}
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