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Signed-off-by: Sergio Schvezov <[email protected]>
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module example/workspace | ||
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go 1.23.2 | ||
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require github.com/jessevdk/go-flags v1.6.1 | ||
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require golang.org/x/sys v0.25.0 // indirect |
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github.com/jessevdk/go-flags v1.6.1 h1:Cvu5U8UGrLay1rZfv/zP7iLpSHGUZ/Ou68T0iX1bBK4= | ||
github.com/jessevdk/go-flags v1.6.1/go.mod h1:Mk8T1hIAWpOiJiHa9rJASDK2UGWji0EuPGBnNLMooyc= | ||
golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34= | ||
golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= |
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package main | ||
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import ( | ||
"fmt" | ||
"github.com/jessevdk/go-flags" | ||
"os" | ||
) | ||
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type Options struct { | ||
Say string `long:"say" description:"What to say" optional:"yes" default:"Hello world"` | ||
} | ||
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var options Options | ||
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var parser = flags.NewParser(&options, flags.Default) | ||
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func main() { | ||
if _, err := parser.Parse(); err != nil { | ||
switch flagsErr := err.(type) { | ||
case flags.ErrorType: | ||
if flagsErr == flags.ErrHelp { | ||
os.Exit(0) | ||
} | ||
os.Exit(1) | ||
default: | ||
os.Exit(1) | ||
} | ||
} | ||
fmt.Printf("%s\n", options.Say) | ||
} |
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