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const clap = @import("clap");
const std = @import("std");
const debug = std.debug;
const io = std.io;
const process = std.process;
pub fn main() !void {
// First we specify what parameters our program can take.
// We can use `parseParam` to parse a string to a `Param(Help)`
const params = comptime [_]clap.Param(clap.Help){
clap.parseParam("-h, --help Display this help and exit.") catch unreachable,
clap.parseParam("-n, --number <INT> An option parameter, which takes a value.") catch unreachable,
clap.parseParam("-s, --string <STR>... An option parameter which can be specified multiple times.") catch unreachable,
clap.parseParam("<FILE>...") catch unreachable,
};
// Declare our own parsers which are used to map the argument strings to other
// types.
const parsers = comptime .{
.STR = clap.parsers.string,
.FILE = clap.parsers.string,
.INT = clap.parsers.int(usize, 10),
};
var diag = clap.Diagnostic{};
var res = clap.parse(clap.Help, ¶ms, parsers, .{
.diagnostic = &diag,
}) catch |err| {
diag.report(io.getStdErr().writer(), err) catch {};
return err;
};
defer res.deinit();
if (res.args.help)
debug.print("--help\n", .{});
if (res.args.number) |n|
debug.print("--number = {}\n", .{n});
for (res.args.string) |s|
debug.print("--string = {s}\n", .{s});
for (res.positionals) |pos|
debug.print("{s}\n", .{pos});
}
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