Michael Tsai on Twitter: "@grynspan @ameaijou @gparker python -c "from Foundation import *; print NSProcessInfo.processInfo().isOperatingSystemAtLeastVersion

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Michael Tsai ‏@mjtsai 22 Aug 2015

Checking for El Capitan: http://mjtsai.com/blog/2015/08/22/checking-for-el-capitan/ … #mjtsaiblog
Jonathan Grynspan ‏@grynspan 22 Aug 2015 Santa Clara, CA

@mjtsai We have NSOperatingSystemVersion now, doncha know.
2 likes
Michael Tsai ‏@mjtsai 22 Aug 2015

@grynspan Yeah, that’s what I use if the other version says it’s at least 10.10. Much more readable.
Greg Parker ‏@gparker 22 Aug 2015

@mjtsai @grynspan Do it the other way around: if isOperatingSystemAtLeastVersion: exists then use it, otherwise use the old thing.
1 like
Michael Tsai ‏@mjtsai 22 Aug 2015

@gparker @grynspan calls to -mjtIsYosemiteOrBetter so it is very clear when I can eventually remove the check.
Gwynne Raskind ‏@ameaijou 22 Aug 2015

@mjtsai @gparker @grynspan I can confirm that -isOperatingSystemAtLeastVersion: existed as SPI in Mavericks.
Michael Tsai ‏@mjtsai 22 Aug 2015

@ameaijou @gparker @grynspan Yes, I just checked 10.9.5 and the method seems to be there (and work).
Jonathan Grynspan ‏@grynspan 22 Aug 2015

@mjtsai @ameaijou @gparker Can you please share some sample code that demonstrates this?

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