quick directory snapshot/hash

Asked Oct 15 '17 at 10:15

Active Oct 17 '17 at 19:49

Viewed 64 times

I'm looking for pointers to solutions for a problem that must have been solved multiple times (or pointers to the proper terms to search for):

How to get a reasonably quick/cheap directory snapshot/hash that can be used to determine whether something has changed compared to a previous state (which can be during a previous run of the code)?

Edit: I'm thinking here in the 1st place of added or deleted files/directories, but also of file changes that can be determined without reading the entire file.

Edit2: I'm looking for something cross-platform, and not a notification mechanism (sadly).

Thanks!

edited Oct 17 '17 at 19:49

asked Oct 15 '17 at 10:15

RJVB

`... determine whether something has changed` please define "something" – wildplasser Oct 15 '17 at 10:52
Thanks, somehow I forgot to add that crucial tidbit. – RJVB Oct 16 '17 at 11:16
Before inventing your own, please take a look at inotofy. – wildplasser Oct 16 '17 at 18:57
Clearly I also forgot to clarify that I wasn't looking for a change notification mechanism, and for a cross-platform solution. I'll need to stop posting when I cannot engage my brain at 200% ... – RJVB Oct 17 '17 at 19:52

quick directory snapshot/hash

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