base converter workflow for Alfred 4

base_convert_for_alfred4.rb

def output_16(q16)
output  = <<"EOS"
    {	"title": "#{q16}",
		"arg": "#{q16}",
	},
    {	"title": "0x#{q16}",
		"arg": "0x#{q16}",
	}
EOS
output
end

def output_02(q02)
output  = <<"EOS"
    {	"title": "#{q02}",
		"arg": "#{q02}",
	},
    {	"title": "0b#{q02}",
		"arg": "0b#{q02}",
	}
EOS
output
end

def output_10(q10)
output  = <<"EOS"
    {	"title": "#{q10}",
		"arg": "#{q10}",
	}
EOS
output
end

start_string = "{\"items\": ["
end_string = "]}"
query = ARGV.first

if (/\A[+-]?[0-9]+\z/ =~ query) then
	q16 = query.to_i(10).to_s(16)
	q02 = query.to_i(10).to_s(2)
	output = start_string + output_16(q16) + ',' + output_02(q02) + end_string
elsif (/\A0[xX][0-9A-Fa-f]+/ =~ query) then
	q10 = Integer(query)
	q02 = q10.to_s(2)
	output = start_string + output_10(q10) + ',' + output_02(q02) + end_string
elsif (/\A0[bB][01]+/ =~ query) then
	q10 = Integer(query)
	q16 = q10.to_s(16)
	output = start_string + output_10(q10) + ',' + output_16(q16) + end_string
end

puts output