GNU is really its own thing and not reallyPOSIX anymore. So GNU is right even if they are wrong.
This is not me advocating for GNU. I use BSD utils myself.
On this issue, your were right in a way. My understanding is that the uutils version of dd was respecting the fullblock parameter, causing problems on slow pipes. GNU ignore this and was doing partial writes. Uutils has been modified to match GNU and is “working” now. At least, a tested patch has been submitted.
In both these cases, dd serves no real purpose. It’s purely a superstitious charm trying to ensure safe passage of the data. You can see how silly this is when you replace dd with the functionally equivalent cat: cat /dev/sda | pv | cat > /dev/sdb
I will really appreciate the irony when it turns out that it’s the new implementation in Rust that is correct
GNU is really its own thing and not reallyPOSIX anymore. So GNU is right even if they are wrong.
This is not me advocating for GNU. I use BSD utils myself.
On this issue, your were right in a way. My understanding is that the uutils version of dd was respecting the fullblock parameter, causing problems on slow pipes. GNU ignore this and was doing partial writes. Uutils has been modified to match GNU and is “working” now. At least, a tested patch has been submitted.
If you pipe, dd is the wrong tool anyway. Replace with cp or cat. dd is a good scalpel but a bad shovel.
Useless use of dd
😂
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