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/*****************************************************************************
*
* demo program - part of CLIPP (command line interfaces for modern C++)
*
* released under MIT license
*
* (c) 2017-2018 André Müller; foss@andremueller-online.de
*
*****************************************************************************/
#include <iostream>
#include <string>
#include <clipp.h>
int main(int argc, char* argv[])
{
using namespace clipp;
using std::cout;
std::string outfile = "a.out";
bool align = false;
auto cli = (
(option("-o", "--out") & value("output file", outfile)) % "output filename",
with_prefix("-f", option("align") >> [&]{ align = true; } |
option("noalign") >> [&]{ align = false; } ) % "control alignment"
);
if(parse(argc, argv, cli)) {
cout << "write to " << outfile
<< " with" << (align ? "" : "out") << " alignment.\n";
}
else {
auto fmt = doc_formatting{}
.merge_alternative_flags_with_common_prefix(true);
cout << make_man_page(cli, argv[0], fmt) << '\n';
}
}