add clear example

README.org

@@ -166,6 +166,8 @@
        echo "${sftbf}${sftr}framework${sftrs}"
      #+end_src
 
+     Look at the [[#clear][clear]] example to see some of them in action.
+
 ** Examples
    :properties:
    :custom_id: examples
@@ -255,6 +257,66 @@
         go
     #+end_example
 
+*** Clear
+    :properties:
+    :custom_id: clear
+    :end:
+
+    This script shows the usage of color formatting variables and =$sftclr=:
+
+    #+begin_src sh
+      #!/usr/bin/env bash
+
+      # ----------------------
+      # sf -- script framework
+      # ----------------------
+
+      # Declare sf variables
+      sfdesc="Show the usage of color variables and \$sftclr."
+
+      # Include sf, this could be replaced with a long oneliner
+      source "$(dirname $0)/sf"
+
+      # ----------------------
+      # Actual script
+      # ----------------------
+
+      echo -n "${sftbf}"                                                # Output everything from here bold
+      echo "${sftr}These"                                               # Red
+      sleep 0.5
+      echo "${sftm}lines"                                               # Magenta
+      sleep 0.5
+      echo "${sftb}will"                                                # Blue
+      sleep 0.5
+      echo "${sftc}delete"                                              # Cyan
+      sleep 0.5
+      echo "${sftg}themselves"                                          # Green
+      sleep 1
+      echo "${sfty}now!"                                                # Yellow
+      sleep 0.5
+      echo -n "${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}"  # Clear six lines
+      echo "${sftblk}${sftr}T${sftm}a${sftb}d${sftc}a${sftg}a${sfty}!"  # Blinking colorful
+      echo -n "${sftrs}"                                                # Reset text formatting
+    #+end_src
+
+    The produced usage is:
+
+    #+begin_example
+      Usage: clear [OPTIONS]
+
+      Show the usage of color variables and $sftclr.
+
+      OPTIONS
+        -h, --help  Show this help message and exit
+    #+end_example
+
+    The execution results in this:
+
+    #+begin_example
+      $ ./clear
+      Tadaa!
+    #+end_example
+
 *** Add
 
     This script adds numbers and shows the usage of =sfparr=:

examples/clear

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# ----------------------
+# sf -- script framework
+# ----------------------
+
+# Declare sf variables
+sfdesc="Show the usage of color variables and \$sftclr."
+
+# Include sf, this could be replaced with a long oneliner
+source "$(dirname $0)/../sf"
+
+# ----------------------
+# Actual script
+# ----------------------
+
+echo -n "${sftbf}"                                                # Output everything from here bold
+echo "${sftr}These"                                               # Red
+sleep 0.5
+echo "${sftm}lines"                                               # Magenta
+sleep 0.5
+echo "${sftb}will"                                                # Blue
+sleep 0.5
+echo "${sftc}delete"                                              # Cyan
+sleep 0.5
+echo "${sftg}themselves"                                          # Green
+sleep 1
+echo "${sfty}now!"                                                # Yellow
+sleep 0.5
+echo -n "${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}${sftclr}"  # Clear six lines
+echo "${sftblk}${sftr}T${sftm}a${sftb}d${sftc}a${sftg}a${sfty}!"  # Blinking colorful
+echo -n "${sftrs}"                                                # Reset text formatting