Classic Macintosh Projects - Script for creating an HFS image

gistfile1.txt

#!/bin/bash

if test "$#" -ne 1; then
  echo "Syntax: $0 [input_file]"
  exit 1
fi

if [ ! -f "$1" ]; then
  echo "Input file not found!"
  exit 1
fi

# Create R68Discs directory if it doesn't exist
mkdir -p R68Discs

# Get the filename without extension
input_file="$1"
filename=$(basename "$input_file")
filename_no_ext="${filename%.*}"

# Calculate size in KB and add 80KB
size_kb=$(du -k "$input_file" | cut -f1)
total_size=$((size_kb + 80))

# Ensure minimum size of 800KB
if [ $total_size -lt 800 ]; then
  total_size=800
fi

# Create output filename with .img extension in R68Discs directory
output_file="R68Discs/${filename_no_ext}.img"

echo "Creating disk image '$output_file' with size ${total_size}KB..."

dd if=/dev/zero of="$output_file" bs=1024 count="$total_size"
hformat -l "$filename_no_ext" "$output_file"
hmount "$output_file"
hcopy "$input_file" ":$filename_no_ext"
humount "$output_file"

echo "Disk image created successfully in R68Discs directory!"