I use this scriptlet to have my digicam files in order.
#!/bin/bash jhead -nf"%Y%m%d_%H%M%S" * jhead -cmd "jpegtran -progressive &i > &o" *.jpg exiftran -ai *.jpg #jhead -cmd "mogrify -quality 90 &i" *.jpg chmod ugo-x *.jpg jhead -ft *.jpg