40 lines
732 B
Go
40 lines
732 B
Go
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package main
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import (
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"os"
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"github.com/alexflint/go-arg"
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)
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/*
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this parses the command line arguements
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this enables command line options from other packages like 'gui' and 'log'
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*/
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var argv args
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type args struct {
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Demo string `arg:"positional" help:"this is just a demo"`
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}
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func (a args) Description() string {
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return `
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This helloworld example demonstrates the 'gui' plugin toolkits
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`
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}
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func init() {
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pp := arg.MustParse(&argv)
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// for very new users or users unfamilar with the command line, this may help them
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if argv.Demo == "version" || argv.Demo == "help" || argv.Demo == "?" {
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pp.WriteHelp(os.Stdout)
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os.Exit(0)
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}
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}
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func (args) Version() string {
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return "helloworld " + VERSION
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}
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