70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
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package docopt
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import (
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"fmt"
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"sort"
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)
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func ExampleParseArgs() {
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usage := `Usage:
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example tcp [<host>...] [--force] [--timeout=<seconds>]
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example serial <port> [--baud=<rate>] [--timeout=<seconds>]
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example --help | --version`
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// Parse the command line `example tcp 127.0.0.1 --force`
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argv := []string{"tcp", "127.0.0.1", "--force"}
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opts, _ := ParseArgs(usage, argv, "0.1.1rc")
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// Sort the keys of the options map
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var keys []string
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for k := range opts {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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// Print the option keys and values
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for _, k := range keys {
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fmt.Printf("%9s %v\n", k, opts[k])
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}
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// Output:
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// --baud <nil>
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// --force true
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// --help false
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// --timeout <nil>
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// --version false
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// <host> [127.0.0.1]
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// <port> <nil>
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// serial false
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// tcp true
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}
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func ExampleOpts_Bind() {
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usage := `Usage:
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example tcp [<host>...] [--force] [--timeout=<seconds>]
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example serial <port> [--baud=<rate>] [--timeout=<seconds>]
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example --help | --version`
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// Parse the command line `example serial 443 --baud=9600`
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argv := []string{"serial", "443", "--baud=9600"}
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opts, _ := ParseArgs(usage, argv, "0.1.1rc")
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var conf struct {
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Tcp bool
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Serial bool
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Host []string
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Port int
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Force bool
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Timeout int
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Baud int
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}
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opts.Bind(&conf)
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if conf.Serial {
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fmt.Printf("port: %d, baud: %d", conf.Port, conf.Baud)
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}
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// Output:
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// port: 443, baud: 9600
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}
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