[Bug 1824688] Re: date+%-Y -d "- N years" errors when N > 111

[O. Emmerson]

I got a reply to my bug report on gnu.org which says:

"
From: 
Paul Eggert <eggert at cs.ucla.edu>
It works for me with coreutils 8.31 on RHEL 7 x86-64:

$ date +%-Y -d "- 2010 years"
9

Most likely you are running on a 32-bit machine, and dates in the year 9
cannot be represented in a 32-bit timestamp. So a simple fix would be
for you to switch to a 64-bit machine.
"

I am using 64bit Ubuntu though.

I have downloaded and compiled coreutils 8.31 to see if the command
worked for me in the upgraded version but the error remains the same.

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https://bugs.launchpad.net/bugs/1824688

Title:
  date+%-Y -d "- N years" errors when N > 111

Status in coreutils package in Ubuntu:
  New

Bug description:
  I have been using 'date +%-Y -d "- 2010 years" in a script for years
  but today after using the script after upgrading to disco it has
  failed.

  After some experimentation it succeeds with upto 111 years but fails
  from 112 onwards.

  Error given is:

  'date: invalid date '- 112 years'.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: coreutils 8.30-1ubuntu1
  ProcVersionSignature: Ubuntu 5.0.0-11.12-generic 5.0.6
  Uname: Linux 5.0.0-11-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  Date: Sun Apr 14 10:59:36 2019
  InstallationDate: Installed on 2017-10-08 (553 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  SourcePackage: coreutils
  UpgradeStatus: Upgraded to disco on 2019-04-13 (1 days ago)

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