カラー画像 ../addb/2.html
CREATE TABLE ColorImageFiles (
    id       INTEGER  PRIMARY KEY AUTOINCREMENT NOT NULL,
    fullpath TEXT UNIQUE NOT NULL,
    basename TEXT NOT NULL,
    dirname  TEXT NOT NULL,
    format   TEXT NOT NULL,
    columns  INTEGER NOT NULL,
    rows     INTEGER NOT NULL,
    image_encoded      TEXT,
    thumbnail_encoded  TEXT,
    created_at    DATETIME NOT NULL,
    updated_at    DATETIME
);

ruby/rubyrmagick.html

format, columns, rows, thumbnail

ruby/nkfmmencode.html

MIME encode, decode

ruby/rubyintro.html

basename, dirname

ファイル一覧の取得

ruby/filelist.html

create_row method