Ruby's Regular Express

3 or 4 days ago, I try one program with ruby.

It's contents that transform words matched keyword in regular expression into other words.

Keywords are ProjectName , author and date.

Next codes are this program.

#!/usr/bin/ruby
class TextValue

# class's member
TABLE = {
"ProjectName"=>"AAA",
"author"=>"bulldog",
"date"=>Time.now.strftime("%Y-%m-%d")}

end

begin

TextValue::TABLE["ProjectName"] = ARGV[1]
# open the file
tmp = open(ARGV[1])
while line = tmp.gets()


if /\$(\w*)\$/ =~ line then

print line.gsub(/\$(\w*)\$/, TextValue::TABLE[$1])

else

print line

end
end


tmp.close

end