Which few teachers to explain what is meant by this? Xianxie of. Echo "\033%9\000\020\c" Echo "\033%9\000\034\c" There's awk : Printf "%c%c" 27,54 Printf "%c%c%c%c%c" 27,37,57,0,130 Printf "%c%c" 27,91 Printf "%c%c" 27,93 Which few teachers to explain what is meant by this? Xianxie of. Please double top two lines echo the shell 13 asked. The %c awk, awk man found The printf Statement : [code] %c An ASCII character. If the argument used for %c Is numeric, it is treated as a character and Printed. Otherwise, the argument is assumed to be A string, and the only first character of that String is printed.[/code] Which few teachers to explain what is meant by this? Xianxie of. I have already clarified. Thank you upstairs teacher! [ Closed window ]