Terminal Tip: Use Quick Look from the Leopard command line
TUAW reader Shaun Haber sent us a link to his personal blog with a great post about using Leopard's Quick Look from the command line, which is wonderfully handy for anyone who spends a chunk of their day in Terminal. The
qlmanage utility gives you direct access to many Quick Look functions; of specific interest is the -p flag. This option displays the Quick Look generated preview for any file. So if you tell it to
qlmanage -p foo.png, the image immediately pops up in a Quick Look pane.
Even better, Quick Look supports slide shows. So if you
cd into a folder of images and run
qlmanage -p *.jpg, you'll be rewarded with a full-on presentation of your pictures.
Other qlmanage flags of interest include -h (displays a help message) -t (thumbnail generation) and -f (a zoom factor to display with).
The downside of qlmanage is that it's full of NSLog-style messages. Haber recommends you pipe the output into /dev/null as follows:
qlmanage -p *.jpg >& /dev/null.
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