#!/bin/sh
# createfolders.sh
# create a date-based folder hierarchy for an entire year
# by Robert Daeley http://www.celsius1414.com/
# quick and dirty -- no error checking
# -------------------------------------------------------------
# Array for number of days in each month
# change the 28 manually for leap years
numdays=( 0 31 28 31 30 31 30 31 31 30 31 30 31 )
# change targetpath to desired location 
targetpath=/Users/rdaeley/notebook/2006
# -------------------------------------------------------------
# first, a function to create a number of folders
createfolders ()
{
	g=1
# this $1 refers to the value passed to this function
	while [ "$g" -le "$1"  ] 
	do
# if the month or day is 1-9, we add a leading zero
		if [ "$g" -lt 10 ]
		then
			mkdir "0$g"
		else
			mkdir "$g"
		fi
		let "g += 1"
	done
}
# -------------------------------------------------------------
# now we get started
cd "$targetpath"
m=1
# We loop through the 12 months and create a folder for each
# and, along the way, create the appropriate number of days.
# First, the months...
createfolders "12"
# ...then we run through each month and create the day folders.
while [ "$m" -le 12 ]
do
	if [ "$m" -lt 10 ]
	then
		cd "$targetpath/0$m"
	else
		cd "$targetpath/$m"
	fi
	let "thismonth = ${numdays[$m]}"
	createfolders "$thismonth"
	let "m += 1"
done
exit 0