Background: http://brettterpstra.com/2013/01/04/mass-creating-textexpander-snippets/ Forked from Brett's script to handle exported .csv from aText

textexpander_gen_from_atext.rb

#!/usr/bin/ruby
require 'csv'
require 'erb'
require 'cgi'

if ARGV.length == 2
	input_csv = ARGV[0]
	output_te = ARGV[1]
	unless output_te =~ /\.textexpander$/
		puts "Second argument must have a '.textexpander' extension."
		puts "#{File.basename(__FILE__)} input.csv output[.textexpander]"
		exit
	end
else
	puts "Two arguments are required, input filename and output filename"
	puts "#{ARGV[0]} input.csv output[.textexpander]"
	exit
end

template = ERB.new <<-ENDTEMPLATE
		<dict>
			<key>abbreviation</key>
			<string><%= abbr %></string>
			<key>abbreviationMode</key>
			<integer>0</integer>
			<key>creationDate</key>
			<date>2013-01-03T20:17:10Z</date>
			<key>flags</key>
			<integer>0</integer>
			<key>label</key>
			<string></string>
			<key>modificationDate</key>
			<date>2013-01-03T20:19:04Z</date>
			<key>plainText</key>
			<string><%= expansion %></string>
			<key>snippetType</key>
			<integer>0</integer>
			<key>useCount</key>
			<integer>0</integer>
			<key>uuidString</key>
			<string><%= uuid %></string>
		</dict>
ENDTEMPLATE

header =<<-ENDHEADER
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>groupInfo</key>
	<dict>
		<key>expandAfterMode</key>
		<integer>2</integer>
		<key>groupName</key>
		<string>#{File.basename(output_te).gsub(/\.textexpander$/,'')}</string>
	</dict>
	<key>snippetsTE2</key>
	<array>
ENDHEADER

footer =<<-ENDFOOTER
	</array>
</dict>
</plist>
ENDFOOTER

fh = File.new(File.expand_path(output_te),'w+')
input = CSV.read(File.expand_path(input_csv))

fh.puts header

input.each { |item|
	abbr = CGI.escapeHTML(item[0].strip)
  # modified to convert atext snippets
	expansion = CGI.escapeHTML(item[1].strip.gsub(/【|】/,'%').gsub(/%clipboard%/,'%clipboard').gsub(/%field:[\s\S]*%/s,'%fill:input%'))
	uuid = %x{uuidgen}.strip
	$stderr.puts "Processed #{abbr} -> #{expansion}"
	fh.puts template.result(binding)
}

fh.puts footer
fh.close