Category: Open Source

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This is to announce datamash-1.8, a new release.

Datamash is a command-line program which performs basic numeric, textual and

statistical operations on input textual data.

---

This is the first release for new maintainer Tim Rice, with much appreciation

to Shawn Wagner and Erik Auerswald for their help. See the AUTHORS and THANKS

files for additional credits and acknowledgements.

---

GNU Datamash home page:

   https://www.gnu.org/software/datamash/

Please report any problem you may experience to the bug-datamash@gnu.org

mailing list.

Happy Hacking!

– Tim Rice

==================================================================

Here are the compressed sources and a GPG detached signature[*]:

https://ftp.gnu.org/gnu/datamash/datamash-1.8.tar.gz

https://ftp.gnu.org/gnu/datamash/datamash-1.8.tar.gz.sig

Use a mirror for higher download bandwidth:

https://ftpmirror.gnu.org/datamash/datamash-1.8.tar.gz

https://ftpmirror.gnu.org/datamash/datamash-1.8.tar.gz.sig

[*] Use a .sig file to verify that the corresponding file (without the

.sig suffix) is intact.  For instructions about how to do this, please

refer to https://ftp.gnu.org/README.  (In particular you will need to

retrieve the GNU keyring rather than using any keyservers.)

==================================================================

The checksums of the archive are:

$ sha1sum datamash-1.8.tar.gz

e77e15ed2c6b17b4045251fd87f16430c3bf2166  datamash-1.8.tar.gz

$ sha256sum datamash-1.8.tar.gz

94a4e11819ad259aa3745b7eca392e385e3a676d276e8cbb616269dbbb17fe6d  datamash-1.8.tar.gz

$ b2sum datamash-1.8.tar.gz

dfe4060ea65ea46a1796e01463fd9b0e55c2d633d06da153f585a3a569acf3e9211a14cb3905daf8ecae347358daa04db940d557b909f0ce5ebbba2f57d3a410  datamash-1.8.tar.gz

==================================================================

NEWS

• Noteworthy changes in release 1.8 (2022-07-23) [stable]

• • Changes in Behavior

  Schedule -f/–full combined with non-linewise operations for deprecation.

  In a future release, -f/–full will only be usable with operations where

  it makes sense. For now, we print a warning to stderr when -f/–full is

  used with non-linewise operations, and such usage will no longer be

  supported.

  The bin operation now uses more intuitive bins. Previously, a command

  such as `datamash bin 1 <<< -0` would output -100; and -100 did not fall

  in its own bin. We now require all bins to take the form `[nx,(n+1)x)`

  with integer n and bin width x. We discard the sign on -0 and gate such

  inputs into the [0,x) bin.

  Operations taking more than one argument now provide more complete output

  with –header-out. Previously, an operation such as `pcov x:y` would

  produce an output header like `pcov(y)`, discarding the `x`. The new

  behavior will output header `pcov(x,y)`.

  datamash(1) no longer ignores –output-delimiter with the rmdup operation.

• • New Features

  New datamash option –sort-cmd argument to specify the program used

  by the -s option to sort input, plus enhancements to the security and

  portability of building sort command lines.

  New datamash option -c/–collapse-delimiter=X argument uses character

  X instead of comma between values in collapse and unique lists.

  New datamash operations: mean square (ms) and root mean square (rms).

  Decorate now supports sorting IP addresses of both versions 4 and 6

  together. IPv4 addresses are logically converted to IPv6 addresses,

  either as IPv4-Mapped (ipv6v4map) or IPv4-Compatible (ipv6v4comp)

  addresses.

  Add two command aliases:

    ‘echo’ may now be used instead of ‘cut’.

    ‘uniq’ may now be used instead of ‘unique’.

• • Improvements

  Updated the bash completion script to reflect recent additions.

• • Bug Fixes

  Datamash now passes the -z/–zero-terminated flag to the sort(1) child

  process when used with “–sort –zero-terminated”. Additionally,

  if the system’s sort(1) does not support -z, datamash reports the error

  and exits. Previously it would omit the “-z” when running sort(1),

  resulting in incorrect results.

  Documentation fixes and spelling corrections.

  Incorrect format in a decorate(1) error breaking compilation on some

  systems.

  datamash(1), decorate(1): Fix some minor memory leaks.

  datamash(1) no longer crashes when the unique or countunique operations

  are used with input data containing NUL bytes.  The problem was reported

  in https://lists.gnu.org/archive/html/bug-datamash/2020-11/msg00001.html

  by Catalin Patulea.

  datamash(1) no longer crashes when crosstab with –header-in is called

  by field name instead of index. I.e. `datamash –header-in ct x,y` now

  works as expected.