25 lines
351 B
Go
25 lines
351 B
Go
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package main
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import (
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"fmt"
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"os"
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"strings"
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"github.com/pkg/errors"
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)
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func echo(args []string) error {
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if len(args) < 2 {
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return errors.New("no message to echo")
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}
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_, err := fmt.Println(strings.Join(args[1:], " "))
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return err
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}
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func main() {
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if err := echo(os.Args); err != nil {
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fmt.Fprintf(os.Stderr, "%+v\n", err)
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os.Exit(1)
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}
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}
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