#! /opt/bin/dash
title="Quantum Computing Simulation and Visualization"
# slide separator pattern
#
br="
---
"
# get last slide number
#
n=$(grep "^$br\$" notes.html | wc -l)
# previous file
#
en="$n"
es=$(printf "%.4d" "$en")
e="$es.html"
# current file
#
fn="0"
fs="0000"
f="$fs.html"
# next file
#
gn="1"
gs="0001"
g="$gs.html"
# function to print arrows
#
w="width=20 height=22 align=middle alt=\"\""
#
print_arrows() {
echo "
"
}
# function to print header
#
print_header() {
echo "