log

#!/bin/sh

f="$(dirname $0)/log.txt"

if [ "$1" = "time" ]; then
	last="$(cat "$f" | grep "# " | tail -n 1 | sed 's/^.*: //' | cut -d '-' -f 1)"
	last=$(date +%s -d "$last")
	now=$(date +%s)
	diff=$(($now - $last))

	printf "%02dh %02dm %02ds\n" $(($diff / 3600)) $(($diff % 3600 / 60)) $(($diff % 60))
	exit 0
fi

d="# $(date +"%Y-%m-%d (%A)")"

if ! cat "$f" | grep --fixed-strings "$d" >/dev/null 2>/dev/null; then
	start="$(date +"%H:%M")"
	end="$(date --date 8hours +"%H:%M")"
	str="$d: $start-$end"

	echo >> "$f"
	echo "$str" >> "$f"
	echo "$str"
else
	$EDITOR "$f"
fi