When working with a large number of files, renaming them to lowercase can be tedious. A quick and effective method is to use the following zip and unzip commands:
zip -r foo.zip foo/* unzip -LL foo.zip
TL:DR – This approach creates a compressed archive of the directory and extracts it while converting all filenames to lowercase.
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Strengths & Weaknesses
| Strengths | Weaknesses |
|---|---|
| Simple and efficient for bulk renaming | Requires additional disk space for temporary zip file |
| Works across multiple file types | File timestamps may be altered |
| Preserves file structure | Does not work well with symbolic links |
