--- /dev/null
+#! /bin/bash
+
+# bash-notes © 2023 by danix is licensed under CC BY-NC 4.0.
+# To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0/
+
+# to debug the script run it like:
+# DEBUG=true notes.sh ...
+# and check /tmp/debug_bash-notes.log
+if [[ $DEBUG == true ]]; then
+ exec 5> /tmp/debug_bash-notes.log
+ BASH_XTRACEFD="5"
+ PS4='$LINENO: '
+ set -x
+fi
+
+PID=$$
+BASENAME=$( basename "$0" )
+NOW=$(date +%s)
+
+VERSION="0.3"
+DBVERSION=${VERSION}_${NOW}
+
+set_defaults() {
+# Binaries to use
+JQ=${JQ:-/usr/bin/jq}
+EDITOR=${EDITOR:-/usr/bin/vim}
+TERMINAL=${TERMINAL:-/usr/bin/alacritty}
+# add options for your terminal. Remember to add the last option to execute
+# your editor program, otherwise the script will fail.
+# see example in the addnote function
+TERM_OPTS="--class notes --title notes -e "
+# Setting PAGER here overrides whatever is set in your default shell
+# comment this option to use your default pager if set in your shell.
+PAGER=${PAGER:-/usr/bin/more}
+
+# set this to true to have output in plain text
+# or use the -p option on the command line before every other option
+PLAIN=false
+# base directory for program files
+BASEDIR=${BASEDIR:-~/.local/share/bash-notes}
+# notes database in json format
+DB=${BASEDIR}/db.json
+# directory containing the actual notes
+NOTESDIR=${BASEDIR}/notes
+
+} # end set_defaults, do not change this line.
+
+set_defaults
+
+# Do not edit below this point
+RCFILE=${RCFILE:-~/.config/bash-notes.rc}
+TMPDB=/tmp/db.json
+
+if [ ! -x "$JQ" ]; then
+ echo "jq not found in your PATH"
+ echo "install jq to continue"
+ exit 1
+fi
+
+# IMPORT USER DEFINED OPTIONS IF ANY
+if [[ -f $RCFILE ]]; then
+ # shellcheck disable=SC1090
+ source "$RCFILE"
+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
+ # shellcheck disable=SC2046,SC2086
+ 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"
+
+# Export config to file
+function export_config() {
+ if [ -r ${RCFILE} ]; then
+ echo "Backing up current '${RCFILE}'...."
+ mv -f ${RCFILE} ${RCFILE}.$(date +%Y%m%d_%H%M)
+ fi
+ echo "Writing '${RCFILE}'...."
+ sed -n '/^set_defaults() {/,/^} # end set_defaults, do not change this line./p' $0 \
+ | grep -v set_defaults \
+ | sed -e 's/^\([^=]*\)=\${\1:-\([^}]*\)}/\1=\2/' \
+ > ${RCFILE}
+ if [ -r ${RCFILE} ]; then
+ echo "Taking no further action."
+ exit 0
+ else
+ echo "Could not write '${RCFILE}'...!"
+ exit 1
+ fi
+}
+
+# we should expand on this function to add a sample note and explain a little bit
+# how the program works.
+function firstrun() {
+ [ -f $RCFILE ] && RC=$RCFILE || RC="none"
+
+ clear
+ echo "${BASENAME} configuration:
+
+base directory: ${BASEDIR}/
+notes archive: ${NOTESDIR}/
+notes database: ${DB}
+rc file: $RC
+text editor: ${EDITOR}
+terminal: ${TERMINAL}
+jq executable: ${JQ}
+"
+
+ read -r -p "Do you wish to continue? (y/N) " ANSWER
+ case $ANSWER in
+ y|Y )
+ mkdir -p $NOTESDIR
+ cat << __EOL__ > ${DB}
+{
+ "params": {
+ "version": "${VERSION}",
+ "dbversion": "${DBVERSION}"
+ },
+ "notes": []
+}
+__EOL__
+ echo; echo "All done, you can now write your first note."
+ ;;
+ * )
+ echo "No changes made. Exiting"
+ exit
+ ;;
+ esac
+}
+
+# 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
