Slmame blog 環境変数名の一覧取得

Ary = [$*[0].to_s,$*[1].to_s,$*[2].to_s]

envAry = []

Ary.each {|filename|

    perfile = open(filename,"r") 

    inData = perfile.read

    result = inData.scan(/<%[^%]+%>/)

    result.each {|i| envAry[envAry.size] = i}

}



defcnt = 0

delcnt = 1

defarycnt = envAry.length

while defcnt < defarycnt

    if envAry[defcnt] == envAry[delcnt] then

        envAry[delcnt] = nil

    end

    delcnt += 1

    if delcnt == envAry.size then

        defcnt += 1

        delcnt = defcnt + 1

    end

end



cenvAry = envAry.compact

setEnv = open("result_envs.txt","w")

cenvAry.each {|line| setEnv.puts line}

setEnv.close