Mmv
Mmv is a command-line utility for renaming multiple files in Unix-like operating systems, such as Linux and macOS, using pattern matching and substitution. It allows users to batch rename files based on regular expressions or simple patterns, making it efficient for organizing large sets of files. The tool is known for its safety features, such as preventing accidental overwrites and providing previews of changes before execution.
Developers should learn and use Mmv when they need to automate file renaming tasks in shell scripts or during system administration, such as standardizing file names, updating extensions, or reorganizing project directories. It is particularly useful for handling repetitive renaming operations in development environments, data processing pipelines, or server maintenance, where manual renaming would be time-consuming and error-prone.