![]() Sudo defaults write $plist JustASlide -dict-add mainDuration -int 2 # Set new value for slideshow duration: (in this case, 2 seconds) ![]() # Take a look at the data structure before changing, to compare afterward # confirm backup copy is valid: MD5 checksums should match for both files Plist=/System/Library/PrivateFrameworks/amework/Versions/A/Resources/Content/EffectDescriptions ![]() Here's the list of commands to run in Terminal: # Define variable, to save typing: If you decide to experiment, you should change the -int flag to -real.Īlso, defaults is unusual in that it's designed to read a "domain" from OS X's property list heirarchy, but can also work with a file, as long as the full path is specified and the ".plist" is left off the end. Nothing will explode, but you could potentially introduce bugs/crashes. I haven't tested this, and would advise caution. Depending on how Preview interprets these values, you not be able to set partial seconds. This should also work on 10.8, and any other version of OS X where this file is present, though I've only tested in 10.9.Ī word of warning: the value we're changing is an integer value by default. Using these steps, I was able to change Preview's slideshow delay from 3 seconds to 2 seconds. sameers' answer provided enough detail to find the path, and luckily there are built-in commands to edit plist files in OS X. ![]() I had this same question and couldn't find an obvious answer online.
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