msg

func PrintErrorln ¶

func PrintErrorln(format string, a ...interface{})

PrintErrorln prints an error

func PrintInfoln ¶

func PrintInfoln(format string, a ...interface{})

PrintInfoln prints an info text

func PrintMsgln ¶

func PrintMsgln(format string, a ...interface{})

PrintMsgln prints a message

func PrintPlainln ¶

func PrintPlainln(format string, a ...interface{})

PrintPlainln prints a plain text

func PrintWarnln ¶

func PrintWarnln(format string, a ...interface{})

PrintWarnln prints a warning

func ProgressStr ¶

func ProgressStr(msg string, interval time.Duration) (chan<- struct{}, <-chan struct{})

ProgressStr shows and moves a bar '...' on the command line. It can be used to show that an activity is ongoing. The parameter 'interval' steers the refresh rate (in milli seconds). The text in 'msg' is displayed in form of '...'. The progress bar is stopped by sending an empty struct to the returned channel:

chan <- struct{}{}
close(chan)

func UserOK ¶

func UserOK(s string) bool

UserOK print the message s followed by " (Y/n)?" on stdout and askes the user to press either Y (to continue) or n (to stop). Y is treated as default. I.e. if the user only presses return, that's interpreted as if he has pressed Y.