![]() If n is 1, the command clears from the cursor to the beginning of the line. If n is 0 or not specified, the command clears from the cursor to the end of the line. You could move the cursor home in the first step and then clear with \eJ ('erase below', that is, to the right in the cursor's row, and everything in the rows below. CSI n K Erase in Line Erase the part of the line. VTE (GNOME Terminal and other frontends) scroll out the contents to the scrollback buffer as you experience it. ESC Sequence: Description : Clear Screen: ESC2J: Clear the whole screen and position the cursor to the top left corner. If n is 3, the command clears the entire window and deletes lines in the scroll-back buffer. The command clears the whole screen if the n is 2. If n is 1, the command clears from the cursor position to the beginning of the window. Certain sequences of bytes, most starting with an ASCII escape character and a bracket character, are embedded into text. If n is 0 or not specified, the command clears from the current position of the cursor to the end of the window. ANSI escape sequences are a standard for in-band signaling to control cursor location, color, font styling, and other options on video text terminals and terminal emulators. CSI n J Erase in Display Clear part of the terminal window. If the cursor is already at the edge, this sequence command has no effect. CSI n B Cursor Down Move the terminal cursor down by n cells. Itâs helpful to think of it this way: the terminating letter is a function name, and the. ![]() Set foreground/background color Set font styles (bold/italic) Move cursor positions Clear the screen Get the terminal size Prerequisites. The list below are some things you can do with this library. By and large, a control sequence looks like: 0x1B + ' ' +You could also refer to this Wikipedia page. Report Foreground/Background Colors (OSC 4) Anchor (OSC 8) Set cursor shape Set Mark Steal Focus Clear Scrollback History Set current directory Post a. In VT102 mode, there are escape sequences to activate and deactivate an alternate screen buffer, which is the same size as the display area of the window. Some useful ANSI control sequences are described in the following table. What youre really asking is 'How can I clear the terminals scroll-back buffer' which is independent of the shell (Bash) or Ubuntu. " << endl Ĭout << "Another filler string for the stdout \n " "Another filler string for the stdout \n " "Another filler string for the stdout \n " "Another filler string for the stdout \n " "Another filler string for the stdout \n " << endl Īlternatively, we can insert the same escape sequence with a slight modification (substitute 2 with 3) to clear the whole console screen and delete the scrollback buffer, as shown in the next code sample.
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