Append File

Append data to a file.

Installation

To use as a general utility, install the CLI package globally

npm install -g @stdlib/fs-append-file-cli

Usage

Usage: append-file [options] <filepath>

Options:

  -h,    --help                Print this message.
  -V,    --version             Print the package version.
  --enc, --encoding encoding   Encoding. Default: 'utf8'.
         --flag flag           Flag. Default: 'a'.
         --mode mode           Mode. Default: 0o666.

Notes

• Relative output file paths are resolved relative to the current working directory.
• Errors are written to stderr.
• File contents should be provided over stdin as part of a standard stream pipeline.

Examples

$ printf 'beep boop\n' | append-file ./examples/fixtures/file.txt

See Also

• @stdlib/fs-append-file: append data to a file.

Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

Community

License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.