futuretasks.sh

#!/usr/bin/env bash

# DEBUG
item="foo bar lorem ipsum"
item="foo bar t:2009-02-26 lorem ipsum"
item="foo bar t:2009-02-27 lorem ipsum"
item="foo bar t:2009-02-28 lorem ipsum"

# check for threshold
if [[ $item = *t:* ]]; then # check for threshold marker
	# extract date -- TODO: check for valid date
	threshold=${item##*t:} 
	threshold=${threshold%% *}
	# check threshold against current date
	threshold=$(echo $threshold | sed s/[^0-9]//g)
	date=$(date +"%Y-%m-%d")
	date=$(echo $date | sed s/[^0-9]//g)
	if [ "$date" -ge "$threshold" ]; then
		show=true
	else
		show=false
	fi
else
	show=true
fi

echo "$show: $item" # DEBUG