# Unix Shell

These exercises are meant for people who want to improve their Shell Programming knowledge

## Whitespace Renamer

Write a program that gets a directory as an input via arguments and renames all files which have spaces in their name to `_`, so `Contract 4242 for BellTech.pdf` becomes `Contract_4242_for_BellTech.pdf`.

## Expected Result

```
$ sh find_and_replace.sh
Usage: find_and_replace.sh [-v] path
$ sh find_and_replace.sh -v /path/to/directory
Renaming 'My Document.txt' -> My_Document.txt
```