unicode - Any tools to programmatically convert Japanese sentence into its romaji (phonetical reading)? -

input:

日本が好きです.

output:

nippon ga sukidesu.

phonetical reading unfortunately not available through google translate api.

kakasi good, simple tool want do:

% echo "日本が好きです。" | iconv -f utf8 -t eucjp | kakasi -i euc -ha -ka -ja -ea -ka nippongasukidesu.  % echo "日本が好きです。" | iconv -f utf8 -t eucjp | kakasi -i euc -w | kakasi -i euc -ha -ka -ja -ea -ka nippon ga suki desu . 

or solution use yahoo! japan's japanese language processing api. might difficult use because need sign yahoo! japan , register api key before using , documents available in japanese.