Daily todo file migrator

todos-migrate.sh

#!/bin/bash
# todos-migrate.sh
# Generate a todo file from template

template="$HOME/Templates/Todos.template"
target_dir="$HOME/Documents"
archive_dir="$HOME/Documents/todos"
filename="Todos.md"

# Today's file
fileext=${filename##*.} # grab file extension

# The actual file, created inside archive dir
new_file="${archive_dir}/todos-$(date +'%Y-%m-%d').${fileext}"

# Target we'll create the link at
notes_file="${target_dir}/${filename}"

function setup_dirs() {
    mkdir -p "$target_dir" # this is safe if exists
    mkdir -p "$archive_dir"
}

function template_exists() {
	[[ -f "$template" ]] ; return $?
}


function today_file_exists() {
	[[ -f $new_file ]] ; return $?
}

function notefile_exists() {
	[[ -L ${notes_file} ]] ; return $?
}

function create_link() {
	echo "Creating link"
	ln -sf "${new_file}" "${notes_file}"
}


# Copy template to directory and create symlink
function copy_template() {
	echo -e "Creating ${new_file}"
	cp "${template}" "${new_file}" -v
}

## Run ## 
function run() { 

	echo " == Create daily to-do file from template == "
	setup_dirs

	if today_file_exists && notefile_exists ; then
		echo "File exists, exiting"
		exit 0
	fi

	# Check template exists
	if ! template_exists ; then
		echo "Template file $template not found" 
		exit 1 
	fi

	# Create file from template
	if ! today_file_exists ; then
		copy_template
	fi

	# Make link
	if ! notefile_exists ; then
		create_link
	fi
}

run