forked from cerc-io/plugeth
cmd/geth: support dumpconfig optionally saving to file (#18327)
* Changed dumpConfig function to optionally save to file * Added O_TRUNC flag to file open and cleaned up code
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@ -20,7 +20,6 @@ import (
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"bufio"
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"errors"
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"fmt"
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"io"
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"math/big"
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"os"
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"reflect"
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@ -198,7 +197,17 @@ func dumpConfig(ctx *cli.Context) error {
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if err != nil {
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return err
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}
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io.WriteString(os.Stdout, comment)
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os.Stdout.Write(out)
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dump := os.Stdout
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if ctx.NArg() > 0 {
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dump, err = os.OpenFile(ctx.Args().Get(0), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
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if err != nil {
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return err
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}
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defer dump.Close()
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}
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dump.WriteString(comment)
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dump.Write(out)
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return nil
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}
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