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I haven't tested this, but here's an example of how you could advise backup-enable-predicate so that your size check happens only after the default backup-enable-predicate has determined that your file should be backed up: (add-function :after-while backup-enable-predicate (lambda (file) ;; Back up FILE only if it is smaller ...


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For that, I use https://github.com/lewang/backup-walker. (autoload 'backup-walker-start "backup-walker" "" t)


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