--- /dev/null
+#! /bin/bash
+
+# set -ex
+
+PID=$$
+VERSION="0.1"
+EDITOR=${EDITOR:-/usr/bin/vim}
+BASEDIR=${BASEDIR:-~/.bash-notes}
+DB=${BASEDIR}/db.json
+TMPDB=/tmp/db.json
+NOTESDIR=${BASEDIR}/notes
+BASENAME=$( basename $0 )
+TERMINAL=${TERMINAL:-/usr/bin/alacritty}
+JQ=$(which jq)
+
+if [ ! -x $JQ ]; then
+ echo "jq not found in your PATH"
+ echo "install jq to continue"
+ exit 1
+fi
+
+# We prevent the program from running more than one instance:
+PIDFILE=/var/tmp/$(basename $0 .sh).pid
+
+# Make sure the PID file is removed when we kill the process
+trap 'rm -f $PIDFILE; exit 1' TERM INT
+
+if [[ -r $PIDFILE ]]; then
+ # PIDFILE exists, so I guess there's already an instance running
+ # let's kill it and run again
+ kill -s 15 $(cat $PIDFILE) > /dev/null 2>&1
+ # should already be deleted by trap, but just to be sure
+ rm $PIDFILE
+fi
+
+# create PIDFILE
+echo $PID > $PIDFILE
+
+function helptext() {
+ echo "Parameters are:"
+ echo " -h : This help text"
+ echo " -s <directory> : specify directory where to store all notes."
+ echo " -e <editor> : specify EDITOR for this session only."
+ echo " -l : List existing notes"
+ echo " -a : Add new note"
+ echo " -m <note> : Modify note"
+ echo " -d <note> : Modify date for note"
+ echo " -r <note> : Remove note"
+ echo " -v : Print version"
+}
+
+function addnote() {
+ NOTETITLE=$1
+ echo "add new note"
+ NOW=$(date +%s)
+ FILEDATE=$(date -d @$NOW +%d/%m/%Y_%T)
+ LASTID=$($JQ '.notes[-1].id' $DB)
+ [ null == $LASTID ] && LASTID=0
+ NOTEID=$(( $LASTID + 1 ))
+ touch ${NOTESDIR}/${NOW}
+ $JQ --arg i "$NOTEID" --arg t "$NOTETITLE" --arg f "$NOW" '.notes += [{"id": $i, "title": $t, "file": $f}]' "$DB" > $TMPDB
+ mv $TMPDB $DB
+ NEWNOTE=$(${TERMINAL} --class notes --title notes -e ${EDITOR} ${NOTESDIR}/${NOW})
+ if [[ $NEWNOTE ]]; then
+ echo "New note saved!"
+ fi
+}
+
+function listnotes() {
+ echo "list all notes"
+}
+
+function editnote() {
+ echo "edit note \"${1}\""
+}
+
+function datenote() {
+ echo "edit date for note \"${1}\""
+}
+
+function rmnote() {
+ echo "remove note"
+}
+
+function firstrun() {
+ mkdir -p $NOTESDIR
+ cat << "__EOL__" > $DB
+{
+ "notes": []
+}
+__EOL__
+}
+
+# check for notes dir existance and create it in case it doesn't exists
+if [[ ! -d $NOTESDIR ]]; then
+ # we don't have a directory. FIRST RUN?
+ firstrun
+fi
+
+# Command line parameter processing:
+while getopts ":a:hlvm:s:n:e:r:d:" Option
+do
+ case $Option in
+ h ) helptext
+ exit
+ ;;
+ a ) TITLE=${OPTARG}
+ addnote $TITLE
+ ;;
+ l ) listnotes
+ ;;
+ m ) NOTE=${OPTARG}
+ editnote "${NOTE}"
+ ;;
+ d ) NOTE=${OPTARG}
+ datenote "${NOTE}"
+ ;;
+ r ) NOTE=${OPTARG}
+ rmnote "${NOTE}"
+ ;;
+ e ) EDITOR=${OPTARG}
+ ;;
+ s ) NOTESDIR=${OPTARG}
+ ;;
+ v ) echo $BASENAME v${VERSION}
+ ;;
+ * ) echo "You passed an illegal switch to the program!"
+ echo "Run '$0 -h' for more help."
+ exit
+ ;; # DEFAULT
+ esac
+done
+
+# End of option parsing.
+shift $(($OPTIND - 1))
+# $1 now references the first non option item supplied on the command line
+# if one exists.
+# ---------------------------------------------------------------------------
+
