#set ansi(vt100) control code interpretedĪs you can see when running this simple script, ESC[2J just "scrolls down" to "make your screen clear", the contents are still there. Is this a bug or it is designed to do this? Is it written on some kind of documentation? OS/2 command prompts do not need ANSI.SYS, since the ANSI functions are built in the command processor. Or use some other ANSI 'interpreter', like ANSI.COM, by Michael J. in your CONFIG.SYS, at least for DOS systems. Only ESC[H+ ESC[J really "clears" the currently showed contents on the screen. The only requirement to use ANSI sequences is the line: DEVICEANSI.SYS. and on Windows, assuming that you are using the Visual Studio command line compiler: cl /W4 ansiescapes.c t1b.c /Fe:t1b.exe. However, ESC[2J doesn't really "clear" the screen, it just scrolls down to "hide" printed contents. You can build the code on Linux and macOS with: cc -stdc17 -Wall -Wextra -pedantic ansiescapes.c t1b.c -o t1b. ![]() The new Windows console supports ANSI (VT100) control codes: Which terminal (e.g., cygwin, msys/mingw, git bash, cmd.exe, powershell) are you experiencing problems with What are the values of your TERM and ANSICON. ![]() I'm using (just for today) Windows 10 Enterprise, version 1709, build 16299. The trick is that a certain registry key must be set. ![]() is difficult to experiment with ANSI sequences from the DOS command line since DOS does not allow direct. Sending the ANSI escape sequences should work, according to thousands of fine answers on the internet, but one obscure detail took me two half days to stumble upon. I know this kind of questions are asked frequently, but I think this one is a little different and needed to be asked. ANSI Escape codes have no effect unless ANSI.
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