exec fdfile

The blog discusses the `exec {fd}file` command in bash scripting, used to automatically assign an unused file descriptor to a file for both reading and writing. It underscores the benefit of avoiding manual file descriptor numbering, thereby minimizing errors and boosting script robustness. The command requires pre-existing files and does not create new ones. Practical examples illustrate its utility in efficient file I/O operations within scripts.

The blog article discusses dynamic file descriptor assignment in Bash, using the `exec {fd}file` syntax for efficient file handling. It explains traditional file descriptor assignment and the benefits of automatic allocation, which simplifies scripts and reduces error potential. Various examples illustrate managing multiple file streams, demonstrating the convenience and flexibility of this feature in Bash scripting.