#!/usr/bin/env bash
#
# Script for https://sectordisk.pw
#  usage: ./mksector.sh in.txt out.dat
#
# vim -> :set nofixendofline
#  or
# vim -b <file>
#  :set noeol
#  :wq
#
# in.txt should be 16x32 text (~543 bytes)
# out.dat should be a 512 byte sector
#
# SPDX-License-Identifier: MIT

if [[ $# -ne 2 ]]; then
  echo "Usage: $0 <input file> <output file>"
  exit 1
fi

IN="$1"
OUT="$2"

if [[ "${IN}" == "${OUT}" ]]; then
  echo "Input and output files should not be the same name"
  exit 2
fi

# requires GNU sed
echo
echo "Processing ${IN} to ${OUT}"
cat "${IN}" | sed ':a;N;$!ba;s/\n//g' > "${OUT}"

_SZ=$(stat -c %B "${OUT}")
echo "Bytes: ${_SZ}"
echo
hexdump -Cv "${OUT}"