[mikeash]

Thanks, that sounds even better.

What's with the lack of delta syncs in all these systems? As far as I know, neither Google Drive nor OneDrive do it. Now you're saying ownCloud doesn't do it either. I didn't even think to look at it for oneCloud because obviously they'd support it.

I consider it to be an essential feature, to the point that I won't bother with something that doesn't support it. I guess I'm unusual in that respect.

[jingo]

I suspected I would get downvoted for not loving Dropbox. And I was right. Interesting.

FYI

rdiff is the reference implementation or first example of a utility written with librsync, which is the library that Dropbox used to build their "business".

Usage: rdiff [OPTIONS] signature [BASIS [SIGNATURE]] [OPTIONS] delta SIGNATURE [NEWFILE [DELTA]] [OPTIONS] patch BASIS [DELTA [NEWFILE]]

Options: -v, --verbose Trace internal processing -V, --version Show program version -?, --help Show this help message -s, --statistics Show performance statistics Delta-encoding options: -b, --block-size=BYTES Signature block size -S, --sum-size=BYTES Set signature strength --paranoia Verify all rolling checksums IO options: -I, --input-size=BYTES Input buffer size -O, --output-size=BYTES Output buffer size -z, --gzip[=LEVEL] gzip-compress deltas -i, --bzip2[=LEVEL] bzip2-compress deltas

[mikeash]

What's the relevance of this reply to the preceding comment thread?