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#include <seqan3/argument_parser/all.hpp>
#include <seqan3/std/filesystem>
int main(int argc, const char ** argv)
{
seqan3::argument_parser myparser{"Test", argc, argv}; // initialize
//![validator_call]
std::string file_name;
seqan3::regex_validator absolute_path_validator{"(/[^/]+)+/.*\\.[^/\\.]+$"};
seqan3::input_file_validator my_file_ext_validator{{"sa", "so"}};
myparser.add_option(file_name, 'f', "file","Give me a file name with an absolute path.",
seqan3::option_spec::DEFAULT, absolute_path_validator | my_file_ext_validator);
//![validator_call]
// an exception will be thrown if the user specifies a file name
// that is not an absolute path or does not have one of the file extension [sa,so]
try
{
myparser.parse();
}
catch (seqan3::argument_parser_error const & ext) // the user did something wrong
{
std::cerr << "[PARSER ERROR] " << ext.what() << "\n"; // customize your error message
return -1;
}
std::cout << "filename given by user passed validation: " << file_name << "\n";
return 0;
}
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