TODO script

todol.sh

##### TODO list -- add this to your ~/.{bash|zsh|fish}rc or source it

# Your TODOs in your terminal.
# Incomplete TODOs carry over to the next day.
# A TUI (default fzf) helps with completion

# USAGE 
# $ todo break this by typing a non alphanumeric such as single quote
# $ complete-todo
# $ check-today-todos

# SET THESE TO YOUR BEST CONVENIENCE
TODOPATH=$HOME/todo                   # Storage dir. One file per todo, make sure the path is available
TODO_COMPLETE_CMD=fzf                 # Some TUI to complete todos. Alternatives include dmenu, rofi, etc
YDAY="$(date -I --date='yesterday')"  # Linux only (probably)... sorry! (not sorry)
TODAY="$(date -I)"                    # Today in YYYY-MM-DD format

function colorize(){
	sed 's/TODO/\\033\[30;41mTODO\\033\[0m/' | sed 's/DONE/\\033\[30;42mDONE\\033\[0m/'
}

function copy-previous-day-todos() {
	local notfoundmsg="Couldn't copy any entries from $TODOPATH/$YDAY*.txt
If you don't have any entries you can disregard this message.
If you haven't opened the terminal in some time, try running 
	YDAY=<YYYY-MM-DD> copy-previous-day-todos"
	local found="$(/usr/bin/cat $TODOPATH/$YDAY*.txt 2> /dev/null)"
	if [ "$found" = "" ]
	then
		echo "$notfoundmsg"
	else
		echo "$found" | grep "TODO" | while read t
		do
			sleep 0.01
			echo "$t" > $TODOPATH/$(date -Ins).txt
		done
	fi
}

function get-today-todos() {
	/usr/bin/cat $TODOPATH/$TODAY*.txt | grep ".+"
}

function check-today-todos() {
	if [ "$(get-today-todos 2> /dev/null)" = "" ]
	then
		copy-previous-day-todos
	fi
	echo "$(get-today-todos | colorize)"
}

function todo() {
	echo "TODO $@" >> $TODOPATH/$(date -Iseconds).txt
	check-today-todos
}

function complete-todo() {
	local toreplacetext="$(get-today-todos | grep TODO | sed 's/TODO //' | $TODO_COMPLETE_CMD)"
	local toreplacefile=$(grep "TODO $toreplacetext" $TODOPATH/$TODAY*.txt -l | head -1)
	sed -i 's/TODO/DONE/' $toreplacefile
	echo "$(get-today-todos | colorize)"
}

check-today-todos

Excellent! Would be fun to create something in a proper programming language. May be a Go application. Bash is an eye sore smile

@neilpanchal thanks, I really enjoy the hacky-ness of it all - the first iteration was a functional within 10min and it only relied on 5 GNU commands. I do agree as time went by I traded some eye-care for better UX though :)