diff --git a/CHANGELOG.md b/CHANGELOG.md index 1d8a9226b..44a16b154 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,6 +6,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac - Fixed broken `lf em 4x70 brute` command (@adite) - Fixed the lf sampling when bits_per_sample is less than 8 (@wh201906) - Added `lf em 4x70 brute` command (@adite) + - Added `--back` option to `clear` command to clear the scrollback buffer (@wh201906) ## [Nitride.4.16191][2023-01-29] diff --git a/client/src/cmdmain.c b/client/src/cmdmain.c index 14e198f5c..11f9bfd7b 100644 --- a/client/src/cmdmain.c +++ b/client/src/cmdmain.c @@ -300,15 +300,23 @@ static int CmdClear(const char *Cmd) { CLIParserContext *ctx; CLIParserInit(&ctx, "clear", "Clear the Proxmark3 client terminal screen", - "clear" + "clear -> clear the terminal screen\n" + "clear -b -> clear the terminal screen and the scrollback buffer" ); void *argtable[] = { arg_param_begin, + arg_lit0("b", "back", "also clear the scrollback buffer"), arg_param_end }; CLIExecWithReturn(ctx, Cmd, argtable, true); + bool scrollback = arg_get_lit(ctx, 1); CLIParserFree(ctx); - PrintAndLogEx(NORMAL, _CLEAR_ _TOP_ ""); + + if (!scrollback) + PrintAndLogEx(NORMAL, _CLEAR_ _TOP_ ""); + else + PrintAndLogEx(NORMAL, _CLEAR_ _TOP_ _CLEAR_SCROLLBACK_ ""); + return PM3_SUCCESS; } diff --git a/include/ansi.h b/include/ansi.h index 59f546e39..20815bc03 100644 --- a/include/ansi.h +++ b/include/ansi.h @@ -58,6 +58,7 @@ #define _BACK_BRIGHT_WHITE_(s) "\x1b[47;1m" s AEND #define _CLEAR_ "\x1b[2J" +#define _CLEAR_SCROLLBACK_ "\x1b[3J" #define _TOP_ "\x1b[1;1f" #if defined(HAVE_READLINE)