This script builds a new version of the NoProjectileBlockDamage mod for Starbound when provided with an unpacked projectiles directory in the same space as the script itself.

npbd_build.rb

require 'fileutils'
require 'json'
template = '[
  {
    "op": "test",
    "path": "/actionOnReap/LOC/file",
    "value": "PLACEHOLDER"
  },
  {
    "op": "remove",
    "path": "/actionOnReap/LOC"
  }
]'
puts "#{Time.now.strftime("%H:%M:%S")} : Scanning for files with block damage attributes"
configs = Array.new
Dir.glob("#{Dir.pwd}/projectiles/**/*.config").each do |config|
	file = File.read(config)
	if file.include? "explosiveDamageAmount"
		configs.push(config.split("/").last.split(".").first)
	end
end
regex_str = configs.join("|")
puts "#{Time.now.strftime("%H:%M:%S")} : Preparing Buildspace"
if File.exist?("#{Dir.pwd}/NPBD/projectiles")
	FileUtils.rm_rf(Dir.glob("#{Dir.pwd}/NPBD/projectiles/*"))
else
	FileUtils.mkdir_p("#{Dir.pwd}/NPBD/projectiles")
end
puts "#{Time.now.strftime("%H:%M:%S")} : Starting build"
Dir.glob("#{Dir.pwd}/projectiles/**/*.projectile").each do |projectile|
	file = File.read(projectile)
	next unless file.include? '"action" : "config"'
	next unless file =~ /#{regex_str}/
	FileUtils.mkdir_p(projectile.split("projectiles").last.insert(0,"#{Dir.pwd}/NPBD/projectiles").split("/").take(projectile.split("/").length).join("/"))
	data = JSON.parse(file)
	hash = data["actionOnReap"].find { |x| x['action'] == 'config' } if file.include? "actionOnReap"
	hash = data["actionOnHit"].find { |x| x['action'] == 'config' } if file.include? "actionOnHit"
	config = hash["file"]
	patch = projectile.split("/").insert(3, "NPBD").join("/") + ".patch"
	modified_template = template.sub("PLACEHOLDER", config)
	# basic counter to locate hash location in OnReap/OnHit array
	counter = 0
	if file.include? "actionOnHit"
		data["actionOnHit"].each do |line|
			if line["action"] == "config"
				modified_template.gsub!("LOC", counter.to_s)
			end
			counter += 1
		end
	else
		data["actionOnReap"].each do |line|
			if line["action"] == "config"
				modified_template.gsub!("LOC", counter.to_s)
			end
			counter += 1
		end
	end
	modified_template.gsub!("actionOnReap", "actionOnHit") if file.include? "actionOnHit"
	File.open(patch, 'w+'){ |p|
		p.write(modified_template)
	}
	file = nil # weird bugfix, doesn't iterate correctly otherwise
end
puts "#{Time.now.strftime("%H:%M:%S")} : Build finished"