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mailq-inspector
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Provide a better help for the shell

This commit is contained in:
Jan Philipp Timme 2019-01-01 21:16:06 +01:00
parent f1a6259256
commit 187164fc7d
1 changed files with 8 additions and 4 deletions
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12
shell.go
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@ -64,7 +64,7 @@ func displayMessageDetails(fields []string, writer io.Writer, state shellState)
func interactiveShell(reader io.Reader, writer io.Writer) { func interactiveShell(reader io.Reader, writer io.Writer) {
var state shellState = initialShellState() var state shellState = initialShellState()
fmt.Fprintln(writer, "Let's try an interactive shell!") printHelp(writer)
scanner := bufio.NewScanner(reader) scanner := bufio.NewScanner(reader)
for { for {
fmt.Fprint(writer, "> ") fmt.Fprint(writer, "> ")
@ -104,11 +104,15 @@ func interactiveShell(reader io.Reader, writer io.Writer) {
break break
} }
} }
fmt.Fprintln(writer, "\nGoodbye!\n")
} }
func printHelp(writer io.Writer) { func printHelp(writer io.Writer) {
fmt.Fprintln(writer, "Available commands:") fmt.Fprintln(writer, "Available commands:")
fmt.Fprintln(writer, "?, help: display this output") fmt.Fprintln(writer, "help\tdisplay this output")
fmt.Fprintln(writer, "exit: quit this program") fmt.Fprintln(writer, "exit\tquit this program")
fmt.Fprintln(writer, "reload\treload mailq")
fmt.Fprintln(writer, "sort\tdefine how to sort mailq before showing")
fmt.Fprintln(writer, "show\tshow mailq")
fmt.Fprintln(writer, "summary\tshow mailq summary")
fmt.Fprintln(writer, "")
} }