Command-line warriors, part one

“This is a post about some things you might have used a
graphical tool for in the past, but which can be done just as well
using command-line tools. Since I keep finding these little gems I
hope I can continue this kind of post in the future. I’ll try to
categorize the tips and I’ll only post the functionality I recently
discovered and use myself, so this is not a reference for any of
the programs mentioned.

“Photography

“You accidentally selected “Delete All” on your digital cameras
and now your photos are gone? You even fear they might have been
overwritten by photos taken after the accident? Fear not, the same
thing happened to me, and I was able to restore all the photos from
the event plus photos going back as far as three months from my CF
card in my 400d using the PhotoRec software.

“Cameras today often have an orientation sensor, so pictures
taken in portrait mode will automatically be rotated. But this
usually happens in the viewer, while the orientation is simply an
EXIF tag. Of course this takes up precious computing time and not
every viewer supports it. jhead can not only display EXIF
information in a consistent manner but can also rotate pictures
lossless and clear the orientation-tag afterwards. The call
is:”

Complete
Story