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Hi,

I'm a software developer and comparing binary files using MD5 sums is very helpful.
when copying a file over another one with the same name, it could be very helpful to display their MD5 sums into the overwrite dialog to check whether they're different.

By the way, is there a way to it using script files (i.e. like adding actions) ?

Best regards
Alex.

As MD5 checks of large files are CPU intensive this option need to be optional.

BTW, for me the better replace dialog is the from Midnight Commander.

This feature should be enabled only for small files. But instead of displaying the md5sum, a better way may be display a text reads "The two file seems to be duplicate".

What are the odds that two files with the same filename, modification date and size are in fact different (so we need another information, like checksum, to compare)? In most cases only modification date OR size is enough to tell if files differ. We already see both right now.

If you need to compare checksums of two files, overwrite dialog is wrong place to do that. Write yourself a script and attach it to ServiceMenus. Or use command line. Or request (write?) application for comparing two files in various ways (name, size, dates, different checksums, metadata, diff if text files etc). I would vote for such app, as it might be useful in some cases.