diff --git a/example b/example
index 8a1c7d4..59316dd 100644
--- a/example
+++ b/example
@@ -2,7 +2,7 @@ center =================================================================
 
  ___          _      ___ _ _    _        
 | _ ) __ _ __| |_   / __| (_)__| |___ ___
-| _ \/ _` (_-< ' \  \__ \ | / _` / -_|_-<
+| _ \/ _' (_-< ' \  \__ \ | / _' / -_|_-<
 |___/\__,_/__/_||_| |___/_|_\__,_\___/__/
 
 
@@ -38,7 +38,7 @@ Supported slide styles are:
 • <b>Section<r> – Chapter / section division slide
 
 code bash ==============================================================
-# Uses `highlight` for code highlighting
+# Uses 'highlight' for code highlighting
 
 for (( i = 0; i < nr_lines; i++ )); do
     for (( j = 0; j < filler; j++ )); do
@@ -75,15 +75,19 @@ ASCII art ¯\_(ツ)_/¯
  Also not to forget FontAwesome!   
 
 block ==================================================================
-`figlet` and `showfigfonts` are good commands
+'figlet' and 'showfigfonts' are good commands
 to create a nice looking ASCII art headings.
 
    ___           __     ___________      __
   / _ )___ ____ / /    / __/_  __/ | /| / /
- / _  / _ `(_-</ _ \  / _/  / /  | |/ |/ / 
+ / _  / _ '(_-</ _ \  / _/  / /  | |/ |/ / 
 /____/\_,_/___/_//_/ /_/   /_/   |__/|__/ 
 
 <G>$<r> figlet -f smslant    <G>$<r> figlet -f small
 
+block ==================================================================
+# Generated text by cmd
+`ls -l`
+
 section ================================================================
 That's all folks!
diff --git a/slides b/slides
index 8e170b9..5997438 100755
--- a/slides
+++ b/slides
@@ -28,8 +28,18 @@ for (( i = 0; i < NR_FORMATTING; i += 2 )); do
     SED_REPLACE+=" -e s/${FORMATTING[i]}/${FORMATTING[i + 1]}/g"
 done
 
-file="${1:-example}"
+SED_REPLACE_CMD="s/\`\(.*\)\`/\1/e"
+TMP_FILE="/tmp/file_replace_cmd"
+
+replace_commands() {
+    sed  ${SED_REPLACE_CMD} "$file" > $TMP_FILE
+    if [ $? == 0 ]; then
+        file=$TMP_FILE
+    fi
+}
 
+file="${1:-example}"
+replace_commands
 
 prepare_terminal() {
     # Get terminal values, clean terminal and remove cursor
@@ -46,6 +56,9 @@ restore_terminal() {
     tput cnorm
 }
 
+remove_tmp_files() {
+    rm $TMP_FILE
+}
 
 read_slides() {
     local i=0
@@ -369,5 +382,6 @@ while true; do
     fi
 done
 
+remove_tmp_files
 show_mouse_cursor
 restore_terminal