Public bug reported:
"ts -r" does not recognize three of the eleven example formats given in
the man page for Perl Date::Parse. In particular, it doesn't recognize
the standard ISO-8601 format "1995:01:24T09:08:17.1823213":
$ ts -r
1995:01:24T09:08:17.1823213
1995:01:24T09:08:17.1823213
1995-01-24T09:08:17.1823213
1995-01-24T09:08:17.1823213
1999 10:02:18 "GMT"
1999 10:02:18 "GMT"
$ man ts
...
If the -r switch is passed, it instead converts existing timestamps in
the input to relative times, such as "15m5s ago". Many common timestamp
formats are supported. Note that the Time::Duration and Date::Parse
perl modules are required for this mode to work.
$ man Date::Parse
...
EXAMPLE DATES
1995:01:24T09:08:17.1823213 ISO-8601
1995-01-24T09:08:17.1823213
...
1999 10:02:18 "GMT"
$ perl -w -e 'use Date::Parse; print str2time("1995:01:24T09:08:17.1823213"),
"\n";'
790956497.182321
$ perl -w -e 'use Date::Parse; print str2time("1995-01-24T09:08:17.1823213"),
"\n";'
790956497.182321
$ perl -w -e 'use Date::Parse; print str2time("1999 10:02:18 \"GMT\""),
"\n";'
932551338
"ts -r" also doesn't recognize other simple date formats that are
recognized by Date::Parse, e.g.
$ ts -r
2000/01/02 03:04
2000/01/02 03:04
2000-01-02 03:04
2000-01-02 03:04
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: moreutils 0.63-1
ProcVersionSignature: Ubuntu 5.8.0-59.66~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-59-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
Date: Wed Jul 21 09:56:10 2021
EcryptfsInUse: Yes
InstallationDate: Installed on 2020-10-07 (286 days ago)
InstallationMedia: Lubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
SourcePackage: moreutils
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: moreutils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal third-party-packages
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https://bugs.launchpad.net/bugs/1937091
Title:
ts -r does not parse all perl Date::Parse formats
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