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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 1 May 2018
      • Report Tweet
      • Report NetzDG Violation

      Hector Martin Retweeted GangBen

      I use pv(1) all the time. Not a standard command, but everyone should install it and start using it. It replaces dd for most use cases and Just Does The Right Thing by default. It's part of my required packages list on every system, along with strace, htop, iotop, and vim.https://twitter.com/Yeah1Whatever/status/991568978479910913 …

      Hector Martin added,

      GangBen @Yeah1Whatever
      Replying to @marcan42
      `pv` is great, when you want to have a progress bar / speed indicator in a piped data stream. Just use it instead of cat or put it somewhere between your chain
      5 replies 10 retweets 46 likes
    2. Cybergibbons‏ @cybergibbons 2 May 2018
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      Replying to @marcan42

      Replaces dd?

      1 reply 0 retweets 0 likes
    3. Hector Martin‏ @marcan42 2 May 2018
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      Replying to @cybergibbons

      dd is useless most of the time. You can just pipe to/from block devices normally, e.g. with cat. pv is smart enough to query stdin *or* stdout device size and use it to show the progress bar and determine ETA. zcat file.img.gz | pv > /dev/sdc will use size of /dev/sdc.

      3 replies 0 retweets 3 likes
    4. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 2 May 2018
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      Replying to @marcan42 @cybergibbons

      WHY THE FUCK HAVE I BEEN DOING THIS FOR SO LONG: dd if=/dev/bullshit1 | pv | dd of=/dev/bullshit2 I SAW THAT RECOMMENDED SO MANY PLACES. PV TOTALLY REPLACES DD? WHY IN THE HELL WOULD SOMEONE RECOMMEND THIS

      2 replies 0 retweets 8 likes
    5. Cybergibbons‏ @cybergibbons 2 May 2018
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      Replying to @hedgeberg @marcan42

      I always use: cat /dev/mtd1 > mtd1.bin Remember seeing dd during some training and not getting why it was used.

      1 reply 0 retweets 1 like
    6. hedge.txt | Mostly Inactive, except when not‏ @hedgeberg 2 May 2018
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      Replying to @cybergibbons @marcan42

      I always just accepted it as gospel because I've literally only ever seen dd advised for use for these kinds of thing ever. This is really upsetting.

      2 replies 0 retweets 1 like
      Hector Martin‏ @marcan42 2 May 2018
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      Replying to @hedgeberg @cybergibbons

      Honestly these days I'm more likely to use dd to inject bytes into a file at an offset than with block devices. I want a tool that just does that, the seek/skip feature for input or output (in various units please) without the stupid. It probably exists already somewhere.

      12:20 AM - 2 May 2018
      • 1 Like
      • Cybergibbons
      0 replies 0 retweets 1 like

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