291ce4321ac

After completing the first task, the script dumped another error during cleanup: ``` /home/username/bin/pdfocr:57:in 'block in rmdir': undefined method 'in?' for "merged.pdf":String (NoMethodError) from /home/username/bin/pdfocr:56:in 'foreach' from /home/username/bin/pdfocr:56:in 'rmdir' from...