todo

#!/bin/sh
#
# Write/remove a task to do later.
#
# Select an existing entry to remove it from the file, or type a new entry to
# add it.
#

file="$HOME/projects/notas/trabalho/athenaworks/uberall/uberall-todo.md"
done="$HOME/projects/notas/trabalho/athenaworks/uberall/todo-concluded.md"
touch "$file"
touch "$done"
height=$(wc -l "$file" | awk '{print $1}')
prompt="Add/delete a task: "


cmd=$(dmenu -l "$height" -p "$prompt" "$@" < "$file")
while [ -n "$cmd" ]; do
 	if grep -q "^$cmd\$" "$file"; then
		grep -v "^$cmd\$" "$file" > "$file.$$"
		when=$(date "+%Y-%m-%d_%R")
		echo "$cmd" - "$when" >> "$done"
		mv "$file.$$" "$file"
        height=$(( height - 1 ))
 	else
		echo "$cmd" >> "$file"
		height=$(( height + 1 ))
 	fi

	cmd=$(dmenu -l "$height" -p "$prompt" "$@" < "$file")
done