o '2' prints ANSI color attributes as well. o '1' prints the normal set of attributes (bold, underline, inverse and blink) as VT100-style control sequences. If n is 1, the command clears from the cursor to the beginning of the line. A real DEC VTxxx terminal will print the underline, highlighting codes but your printer may not handle these. If n is 0 or not specified, the command clears from the cursor to the end of the line. I'd like to perform that exact same 'Clear Scrollback' operation, but from the commandline. Is this possible Update: This is now supported natively in Windows Terminal. I am aware of PuTTY's Clear Scrollback feature, but that requires mouse clicking. What I'd like to do is, for example, hit Ctrl K (like macOS Terminal) to be able to clear the screen properly (similar to issuing a plain clear command) in both WSL and PowerShell. However, I can still scroll backwards in PuTTY's GUI to see the old stuff. CSI n K Erase in Line Erase the part of the line. 32 When I connect to my server via PuTTY, I can clear the visible screen with the clear command. If n is 3, the command clears the entire window and deletes lines in the scroll-back buffer. and on Windows, assuming that you are using the Visual Studio command line compiler: cl /W4 ansiescapes.c t1b.c /Fe:t1b.exe. The command clears the whole screen if the n is 2. You can build the code on Linux and macOS with: cc -stdc17 -Wall -Wextra -pedantic ansiescapes.c t1b.c -o t1b. If n is 1, the command clears from the cursor position to the beginning of the window. Only ESC H ESC J really 'clears' the currently showed contents on the screen. However, ESC 2J doesnt really 'clear' the screen, it just scrolls down to 'hide' printed contents. The general format for an ANSI-compliant escape sequence is defined by ANSI X3.41 (equivalent to ECMA-35 or ISO/IEC 2022).: 13.1 The escape sequences consist only of bytes in the range 0x200x7F (all the non-control ASCII characters), and can be parsed without looking ahead. If n is 0 or not specified, the command clears from the current position of the cursor to the end of the window. The new Windows console supports ANSI (VT100) control codes: ANSI/VT100 control codes
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