Append notes to today's text file in the notes folder

notes.sh

#!/bin/bash
# 
# Append notes to today's text file in the notes folder.
#
# Usage:
# 
#     $ notes # append to today's file
#     this is a note
#     [CTRL+D]
#
#     $ notes edit # edit today's file
#     $ notes show # show today's file
#
#     $ ls -1 ~/Notes
#     2024-01-14.txt
#
#     $ cat ~/Notes/2024-01-14.txt
#     this is a note
#
#     # grep -r "this" ~/Notes
#     /home/user/Notes/2024-01-14.txt:this is a note
#
# Controls:
#
#  *  CTRL+D: confirm and append note
#  *  CTRL+C: cancel and don't append note
#

NOTES_BASE=~/Notes;
NOTES_FILE=$NOTES_BASE/$(date +%Y-%m-%d).txt;
[ -d "$NOTES_BASE" ] || mkdir --parents "$NOTES_BASE";

[[ -z "${1}" ]] && (cat; printf "\n\n") >> "$NOTES_FILE";
[[ ${1} =~ ^e(dit)?$ ]] && vim "$NOTES_FILE";
[[ ${1} =~ ^s(how)?$ ]] && cat "$NOTES_FILE";