bulk resize images or crop
michael imagemagick must be installed extensions are of course case sensitive these not the same mogrify -resize 50% *.jpg mogrify -resize 50% *.JPG add -monitor to see progression for cropping convert…
bulk add extension to Mac in commandline
cd to the dir, then for i in *; do mv “$i” “$i.mpg”; done for i in *; do mv “$i” “$i.jpg”; done for i in *; do mv “$i”…
Converting Mac pict to modern formats
Apple hates its own history. In newer versions of its os, pict format is poorly supported. (e.g. Preview cannot open pict files as it usually did ), solution here:
Apple SceneKit
new high level 3d
Ubuntu for mac users – command key
Mac users used to use the thumb for command key We press a thousand command - combinations a day. On windows and unix world, the control key combination is a…
Recursive erase Mac hidden files
find . -name ._* -print0 | xargs -0 rm -f learn from http://stackoverflow.com/questions/8680793/recursive-erase-hidden-files
OSX terminal ssh access by port number
Unlike other linux system, osx terminal calls it like this ssh -p 42586 myusername@mysite.com
Quick tip: Eject media from the command line
Perhaps you’ve run into the following problem: some inserted media (either a CD or DVD) refuses to eject itself when you hit the eject key. Often a reboot will fix…