回车 (CR)

该序列总是取消待处理的换行状态。

如果启用了 原点模式（模式 6），光标会被设置到滚动区域的 左边距，操作结束。

如果未设置原点模式，且光标位于左边距上或其右侧，则光标被设置到左边距。如果光标位于左边距左侧，则光标移动到终端的最左列。

cols=$(tput cols)
printf "\033[${cols}G" # move to last column
printf "A" # set pending wrap state
printf "\r"
printf "X"
echo

|X________A|
|c_________|

cols=$(tput cols)
printf "\033[1;1H" # move to top-left
printf "\033[0J" # clear screen
printf "\033[?69h" # enable left/right margin mode
printf "\033[2;5s" # set left/right margin
printf "\033[4G"
printf "A"
printf "\r"
printf "X"

|_XcA______|

cols=$(tput cols)
printf "\033[1;1H" # move to top-left
printf "\033[0J" # clear screen
printf "\033[?69h" # enable left/right margin mode
printf "\033[2;5s" # set left/right margin
printf "\033[4G"
printf "A"
printf "\033[1G"
printf "\r"
printf "X"

|Xc_A______|

cols=$(tput cols)
printf "\033[1;1H" # move to top-left
printf "\033[0J" # clear screen
printf "\033[?6h" # enable origin mode
printf "\033[?69h" # enable left/right margin mode
printf "\033[2;5s" # set left/right margin
printf "\033[4G"
printf "A"
printf "\033[1G"
printf "\r"
printf "X"

|_XcA______|