add keys to edit screen content with editor and copy WORD using externalpipe

config.def.h

@@ -8,6 +8,18 @@
 static char *font = "FiraCode Nerd Font:size=10";
 static int borderpx = 2;
 
+
+static char *externaleditcmd[] = { "/bin/sh", "-c",
+	"tmpfile=$(mktemp /tmp/st-edit.XXXXXX)\n"
+	"trap  'rm \"$tmpfile\"' 0 1 15\n"
+	"cat > \"$tmpfile\"\n"
+	"st -e vis \"$tmpfile\"\n",
+	NULL};
+
+static char *externalcopycmd[] = { "/bin/sh", "-c",
+	"sed 's/[ \t][ \t]*/\\n/g' | tac | awk '!x[$0]++' | dmenu -l 10 -w $WINDOWID | tr --delete '\\n' | vis-clipboard --copy",
+	NULL};
+
 /*
  * What program is execed by st depends of these precedence rules:
  * 1: program passed with -e
@@ -199,6 +211,8 @@ static Shortcut shortcuts[] = {
 	{ TERMMOD,              XK_C,           clipcopy,       {.i =  0} },
 	{ TERMMOD,              XK_V,           clippaste,      {.i =  0} },
 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
+	{ TERMMOD,              XK_E,           externalpipe,   { .v = externaleditcmd } },
+	{ TERMMOD,              XK_K,           externalpipe,   { .v = externalcopycmd } },
 	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
 	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },