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main.go
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main.go
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package main
import (
"fmt"
"io"
"os"
"github.com/ayushg3112/dirlist"
)
func main() {
if exitCode := start(os.Stdout); exitCode != 0 {
os.Exit(exitCode)
}
}
func start(stdout io.Writer) int {
options := parseCLIFlags()
if options.help {
fmt.Fprintf(stdout, "Usage: \n%s", options.usages)
return 0
}
validationErrors := options.validate()
if len(validationErrors) != 0 {
err := printValidationErrors(validationErrors, stdout)
if err != nil {
fmt.Fprintf(stdout, "failed to print validation errors: %s\n", err.Error())
return 3
}
return 4
}
processingOptions, err := options.toProcessingOptions()
if err != nil {
fmt.Fprintf(stdout, "failed to parse CLI options: %s\n", err.Error())
return 5
}
err = dirlist.StartServer(processingOptions)
if err != nil {
fmt.Fprintf(stdout, "failed to start server : %s\n", err.Error())
return 6
}
return 0
}