ExifTool是由Phil Harvey开发的Perl语言编写的命令行应用程序,主要用于读取、写入和编辑各种文件格式中的元数据标签。其核心功能依赖于一个庞大的标签定义数据库,该数据库映射了不同文件格式(如JPEG, TIFF, PNG, PDF等)中的二进制结构到人类可读的标签名称(如DateTimeOriginal, Make, Model等)。
Most of the 9.7 million soldiers who perished in WWI were killed by the conflict's unprecedented firepower. Many survivors experienced acute trauma. Hulton Archive / Getty Images In September 1914, at ...