add section readline; add ctrl-r script

Examples.md

@@ -86,6 +86,8 @@ Replacing `eval` with `print -z` will push the arguments onto the editing buffer
 
 #### With write to terminal capabilities
 
+This have been tested in bash.
+
 ```sh
 # utility function used to write the command in the shell
 writecmd() {
@@ -103,7 +105,39 @@ fhe() {
 }
 ```
 
-This have been tested in bash.
+```sh
+# Another CTRL-R script to insert the selected command from history into the command line/region
+__fzf_history ()
+{
+    builtin history -a;
+    builtin history -c;
+    builtin history -r;
+    builtin typeset \
+        READLINE_LINE_OLD="$READLINE_LINE" \
+        READLINE_POINT_OLD="$READLINE_POINT"\
+        READLINE_LINE_NEW="$(
+            HISTTIMEFORMAT= builtin history |
+            command fzf +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r |
+            command sed '
+                /^ *[0-9]/ {
+                    s/ *\([0-9]*\) .*/!\1/;
+                    b end;
+                };
+                d;
+                : end
+            '
+        )";
+    
+    READLINE_LINE="${READLINE_LINE_OLD:+${READLINE_LINE_OLD:0:READLINE_POINT_OLD}}${READLINE_LINE_NEW}${READLINE_LINE_OLD:+${READLINE_LINE_OLD:READLINE_POINT_OLD}}";
+    READLINE_POINT="$((READLINE_POINT_OLD + ${#READLINE_LINE_NEW}))"
+}
+
+builtin set -o histexpand;
+builtin bind '"\er": redraw-current-line';
+builtin bind '"\e^": magic-space';
+builtin bind -x '"\C-x1": __fzf_history';
+builtin bind '"\C-r": "\C-x1\e^\er"'
+```
 
 ### Processes
 
@@ -349,6 +383,25 @@ zle     -N    fzf-locate-widget
 bindkey '\ei' fzf-locate-widget
 ```
 
+### Readline
+
+```sh
+# CTRL-X-1 - Invoke Readline functions by name
+__fzf_readline ()
+{
+    builtin eval "
+        builtin bind ' \
+            \"\C-x3\": $(
+                builtin bind -l | command fzf +s +m --toggle-sort=ctrl-r
+            ) \
+        '
+    "
+}
+
+builtin bind -x '"\C-x2": __fzf_readline';
+builtin bind '"\C-x1": "\C-x2\C-x3"'
+```
+
 ### RVM
 
 ```sh
@@ -367,10 +420,10 @@ frb() {
 # fzf-wrapper
 # https://github.com/D630/fzf-wrapper
 % . fzf-wrapper
-% [<ENV>] __fzf_wrapper [<ARGS>]
+% [<ENV>...] __fzf_wrapper [<ARG>...]
 ```
 
-###Vagrant
+### Vagrant
 
 You must have [`jq`](https://github.com/stedolan/jq) installed on your computer in order to use this function.