{
    "byline": null,
    "charset": "UTF-8",
    "dir": null,
    "excerpt": "I am trying to do the following task:\nwrite a shell script called changedir which\ntakes a directory name, a command name and (optionally) some additional arguments.\nThe script will then change into the directory indicated, and\nexecutes the command indicated with the arguments provided.",
    "lang": null,
    "length": 2757,
    "publishedTime": null,
    "siteName": null,
    "title": ""
}