bugGNU Parallel - Bugs: bug #59964, --pipepart --group-by


bug #59964: --pipepart --group-by

Submitted by:  Ole Tange <tange>
Submitted on:  Thu 28 Jan 2021 10:55:53 PM UTC
Category:  None Severity:  3 - Normal
Item Group:  None Status:  Fixed
Privacy:  Public Assigned to:  tange
Open/Closed:  Closed
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Mon 14 Mar 2022 08:20:56 PM UTC, comment #2: 

It only makes sense to do --group-by: --bin and --shard are used when the values are mixed.

--group-by was introduced in 20190522.

Ole Tange <tange>
Project Administrator
Wed 09 Mar 2022 10:51:26 PM UTC, comment #1: 

--group-by works in 2020-01-22.

Ole Tange <tange>
Project Administrator
Thu 28 Jan 2021 10:55:53 PM UTC, original submission:  

It ought to be possible to do --bin/--shard--group-by with --pipe-part.

  min=line 1
  max=last line
  If h(min) == h(max): Increase block size.
  If -n:
    # find exactly n changes
    for 1..n+1:
    # The line before
    # Find a single change anywhere in block
    if h(middle) == h(min) or h(middle) != h(max):
      # search for changing value up

Ole Tange <tange>
Project Administrator


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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2022-03-14 tange StatusNone => Fixed
        Assigned toNone => tange
        Open/ClosedOpen => Closed

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