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# log-update [](https://travis-ci.org/sindresorhus/log-update) > Log by overwriting the previous output in the terminal.<br> > Useful for rendering progress bars, animations, etc.  ## Install ``` $ npm install log-update ``` ## Usage ```js const logUpdate = require('log-update'); const frames = ['-', '\\', '|', '/']; let i = 0; setInterval(() => { const frame = frames[i = ++i % frames.length]; logUpdate( ` ♥♥ ${frame} unicorns ${frame} ♥♥ ` ); }, 80); ``` ## API ### logUpdate(text, ...) Log to stdout. ### logUpdate.clear() Clear the logged output. ### logUpdate.done() Persist the logged output.<br> Useful if you want to start a new log session below the current one. ### logUpdate.stderr(text, ...) Log to stderr. ### logUpdate.stderr.clear() ### logUpdate.stderr.done() ### logUpdate.create(stream, [options]) Get a `logUpdate` method that logs to the specified stream. #### options Type: `Object` ##### showCursor Type: `boolean`<br> Default: `false` Show the cursor. This can be useful when a CLI accepts input from a user. ```js // Write output but don't hide the cursor const log = logUpdate.create(process.stdout, { showCursor: true }); ``` ## Examples - [listr](https://github.com/SamVerschueren/listr) - Uses this module to render an interactive task list - [ora](https://github.com/sindresorhus/ora) - Uses this module to render awesome spinners - [speed-test](https://github.com/sindresorhus/speed-test) - Uses this module to render a [spinner](https://github.com/sindresorhus/elegant-spinner) ## License MIT © [Sindre Sorhus](https://sindresorhus.com)