Convert CRLF line endings to LF.
# Convert a file
## Usage
dos2unix < inputfile > outputfile
## Example
dos2unix \
< app/controllers/application_controller.rb \
> app/controllers/application_controller.rb
# Convert a whole folder
## Usage
find {folder} -type f -exec dos2unix {} \;
## Example
find ./app -type f -exec dos2unix {} \;