simplifies title generation

README.md

@@ -8,11 +8,10 @@ For readable progress report on any script with ease.
 
 Anotate your script with formatting helpers by using pipe construct
 
-*Example*
-
+The header of your script
 ```
 echo "Script title" | title
-echo "Author: You"  | subtitle
+echo "Author: You"  | title
 ```
 
 Tasks are wrapped by the `section`, `output` and `result` helpers.
@@ -20,7 +19,6 @@ The flow is :
   1. Print `section` header
   2. Use `output` helpers to display the output you want generated
   3. Close your section with `result`
-
 ```
 echo "Task number One" | section
 echo "This will work"  | output::info

main.sh

@@ -6,18 +6,38 @@ error="$(tput setab 1)$(tput bold)"
 underline=$(tput smul)
 reset=$(tput sgr0)
 
-# Set pipefail option
-set -o pipefail
+export BOG_TITLE_PRINTED=0
 
-title () {
-	read title
-	echo "    *************************************"
+# Set pipefail option
+#   Exit status of overall pipe 
+#   instead of last one
+set -o pipefail
+# Avoid spawning subshell
+#   Needed for title to be able 
+#   to be globally updated inside pipe
+shopt -s lastpipe
+
+__print_title_header () {
+	echo "       ***************************       "
+	echo "    *********************************    "
 	echo "  ****"
-	echo "***** $title" 
 	echo "*****"
 }
 
-subtitle () {
+__check_last_pipe_status () {
+	local last_index=$((${#PIPESTATUS[@]}-1))
+	local last_exit_code=${PIPESTATUS[$last_index]}
+	echo "DEBUG: $last_index, $last_exit_code"
+	return last_exit_code
+}
+
+title () {
+	if [[ $BOG_TITLE_PRINTED -eq 0 ]]
+	then	
+		__print_title_header
+		BOG_TITLE_PRINTED=1
+	fi
+
 	read title
 	echo "*****   $title" 
 }
@@ -25,7 +45,9 @@ subtitle () {
 footer () {
 	echo "*****                               *****"
 	echo "*****         END OF SCRIPT         *****"
-	echo "  ****                             ****"
+	echo "  ****                             ****  "
+	echo "    *********************************    "
+	echo "         ***********************         "
 }
 
 section () {