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JavaScript has limited capabilities for local file manipulation without relying on external software like Adobe AIR. It primarily focuses on web-based operations.
There are, however, ways to achieve local file access in JavaScript using HTML5 features. According to an update mentioned in http://www.html5rocks.com/en/tutorials/file/dndfiles/, HTML5 provides several interfaces for local file access:
These interfaces can be used to read the contents of a file and write them to another file within the same origin as the JavaScript code. The full details and implementation steps are explained in the linked article.
Please note that accessing local files in JavaScript may require permissions and user consent. You may need to implement security measures to protect user privacy and prevent unauthorized file manipulation.
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