celogeek/go-comic-converter
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move flag error at the end

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Celogeek 2023-04-02 21:38:49 +02:00
parent 3fd1529bb1
commit 5ed7e32955
Signed by: celogeek
SSH Key Fingerprint: SHA256:njNJLzoLQdbV9PC6ehcruRb0QnEgxABoCYZ+0+aUIYc
1 changed files with 5 additions and 0 deletions
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5
internal/converter/core.go
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@ -38,6 +38,8 @@ func New() *Converter {
order: make([]converterOrder, 0), order: make([]converterOrder, 0),
} }
cmdOutput := &strings.Builder{}
cmd.SetOutput(cmdOutput)
cmd.Usage = func() { cmd.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", filepath.Base(os.Args[0])) fmt.Fprintf(os.Stderr, "Usage of %s:\n", filepath.Base(os.Args[0]))
for _, o := range conv.order { for _, o := range conv.order {
@ -47,6 +49,9 @@ func New() *Converter {
fmt.Fprintln(os.Stderr, conv.Usage(o.is_string, cmd.Lookup(o.name))) fmt.Fprintln(os.Stderr, conv.Usage(o.is_string, cmd.Lookup(o.name)))
} }
} }
if cmdOutput.Len() > 0 {
fmt.Fprintf(os.Stderr, "\nError: %s", cmdOutput.String())
}
} }
return conv return conv