[enh] It should be able to read from piped content

changelog.sh

@@ -4,7 +4,9 @@
 
 APP_PATH=$( cd $(dirname ${BASH_SOURCE[0]}) && pwd )
 APP_NAME=$( basename ${BASH_SOURCE[0]})
-
+STDIN=$( cat  )
+ls -lh /proc/self/fd
+exec 0</dev/tty
 CHANGELOG=/etc/changelog
 # %CONFIG% This comment is used to build custom scripts 
 [[ -f "$APP_PATH/config.sh" ]] && source "$APP_PATH/config.sh"
@@ -22,6 +24,8 @@ CHANGELOG=/etc/changelog
 msg(){ echo -e "$@"; }
 panic(){ msg "${@} Exiting."; exit 1;}
 ENTRY_FILE=$(mktemp)
+
+# This is the main function
 change(){
   TMP="$1"
   while true ; do
@@ -48,9 +52,6 @@ change(){
     read -e -i "n" -p "Another section? [yN]:" END
     [[ "${END^^}" == "N" ]] && break
   done
-  echo -e "\nHere is the content you are about to add.\n\n$(cat $TMP)\n"
-  read -e -p "OK? [Yn]: " -i y RETURN
-  [[ "N" == ${RETURN^^} ]] && return 1
 }
 
 template(){
@@ -112,11 +113,21 @@ echo -e "\nWelcome to Serious Changelogs Inc. Do you have something for me?\n"
 # check changelog exists
 [[ ! -f "$CHANGELOG" ]] && template "* Changelog: Added $CHANGELOG file\nIt was not serious. Fixed!\n\n" > "$CHANGELOG"
 
-# parse command 
-change "$ENTRY_FILE"
+# Detect piped content 
+if [[ -n "$STDIN" ]] ; then 
+    echo -e "$STDIN" > $ENTRY_FILE
 
-[[ $? -eq 0 ]] && exit 
+#OR enter interactive mode
+else 
+    change "$ENTRY_FILE"
+fi
 
+# confirm the output
+echo -e "\nHere is the content you are about to add:\n\n$(cat $ENTRY_FILE)\n"
+read -e -p "OK? [Yn]: " -i y RETURN
+[[ "N" == ${RETURN^^} ]] && exit 1
+
+# Send data to outputs
 for (( i=0; i<${#PLUGIN_OUTPUT_MENU[@]}; i++)) ; do
   echo "${PLUGIN_OUTPUT_MENU[$i]}"
   ${PLUGIN_OUTPUT[$i]} $ENTRY_FILE