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// usage.cc
#include "main.ih"
namespace {
char const *info =
R"(
Where:
[options] - optional arguments (short options between parentheses):
-a process all lines, //marker may not be specified
-A same as -a, all marker lines are skipped
-n write line numbers
-N no newline after verb(
-s<nr> indent lines with <nr> space characters
-t<nr> indent lines with <nr> tab characters (before spaces)
-S<nr> indent verb( and final ) with <nr> space characters
-T<nr> indent verb( and final ) with <nr> tab characters (before spaces)
-V do not add verb( ... )
//marker target marker (not with -a, -A options)
file file to be process
Output is written to the std output stream.
Returns 1 at errors, including showing this usage information. Error output is
written to the std error stream.
)";
} // namespace
void usage(std::string const &progname)
{
cerr << "\n" <<
progname << " by " << author << "\n" <<
progname << " V" << version << " " << years << "\n"
"\n"
"Usage: " << progname << " [options] [//marker] file" << info << '\n';
throw 1;
}
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