These codes are often several characters long, but they all begin with. red or bg-red), rgb(n,n,n) or bg-rgb(n,n,n). What you have to do is send the escape code to the screen. Valid strings are any property from the ansi.style object (e.g. One or more style strings to apply to the input string. Partial, inline styling can also be applied using the syntax anywhere within the string. styles ( 'green' ) '\u001b ) '\u001b ) '\u001b[41m\u001b[38 2 200 200 200m'Ī convenience function, applying the styles provided in styleArray to the input string. You could also refer to this Wikipedia page. Some useful ANSI control sequences are described in the following table. Kind: static enum of ansi-escape-sequences Alternatively, 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. Various formatting styles (aka Select Graphic Rendition codes). If n is one, clear from cursor to beginning of the line. If n is zero (or missing), clear from cursor to the end of the line. Certain sequences of bytes, most starting with Esc and '', are embedded into the text, which the terminallooks for and interprets as commands, not as character codes. If n is 2, clear entire screen.Įrases part of the line. ANSI escape sequences are a standard for in-band signaling to control the cursor location, color, and other options on video text terminals. If n is 1, clear from cursor to beginning of the screen. ![]() I'd like to perform that exact same 'Clear Scrollback' operation, but from the commandline. I am aware of PuTTY's Clear Scrollback feature, but that requires mouse clicking. However, I can still scroll backwards in PuTTY's GUI to see the old stuff. If n is 0 (or missing), clear from cursor to end of screen. 32 When I connect to my server via PuTTY, I can clear the visible screen with the clear command. The values are 1-based, and default to 1 (top left corner) if omitted.Ĭlears part of the screen. Moves cursor to beginning of the line n lines up. Moves cursor to beginning of the line n lines down. This and the history behind it are documented in detail in the Dickey ncurses manual page for the clear command. This issues control sequences to clear the scrollback buffer. If the terminfo/termcap entry has an E3 capability it, it first writes out that. If the cursor is already at the edge of the screen, this has no effect The clear command looks at terminfo/termcap and issues appropriate control sequences. If the cursor is already at the edge of the screen, this has no effect Id like to perform that exact same 'Clear Scrollback' operation, but from the commandline. I am aware of PuTTYs Clear Scrollback feature, but that requires mouse clicking. However, I can still scroll backwards in PuTTYs GUI to see the old stuff. ![]() If the cursor is already at the edge of the screen, this has no effect 32 When I connect to my server via PuTTY, I can clear the visible screen with the clear command. ESC J Clear to end of screen Clear screen from cursor onwards. Kind: static property of ansi-escape-sequences ESC I Cursor up and insert Move cursor one line upwards and scroll.
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