Emacs: Often switching between Emacs and my IDE's editor, how can I 'synch' the file?
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by WizardOfOdds
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Published on 2010-04-24T05:06:22Z
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2010/04/24
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I very often need to do some Emacs magic on some files and I need to go back and forth my IDE (IntelliJ IDEA) and Emacs.
When a change is made under Emacs (and after I've saved the file) and I go back to IntelliJ the change appears immediately (if I recall correctly I configured IntelliJ to "always reload file when a modification is detected on disk" or something like that). I don't even need to reload: as soon as IntelliJ IDEA gains focus, it instantly reloads the file (and I hence have immediately access to the modifications I made from Emacs).
So far, so very good.
However "the other way round", it doesn't work yet.
Can I configure Emacs so that everytime a file is changed on disk it reloads it?
Or make Emacs, everytime it "gains focus", verify if any file currently opened has been modified on disk?
I know I can start modifying the buffer under Emacs and it shall instantly warn that it has been modified, but I'd rather have it do it immediately (for example if I used my IDE to do some big change, when I come back to Emacs what I see may not be at all anymore what the file contains and it's a bit weird).
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