[Bug 8056] New: 'date' does not accept ISO-8601 'T' delimiter

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=8056

           Summary: 'date' does not accept ISO-8601 'T' delimiter
           Product: Busybox
           Version: 1.23.x
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P5
         Component: Other
        AssignedTo: unassigned at busybox.net
        ReportedBy: sda at fstab.net
                CC: busybox-cvs at busybox.net
   Estimated Hours: 0.0


When attempting to use the date command with an ISO-8601 [1] formatted combined
time and date, BusyBox does not accept the standard 'T' delimiter.  Date from
coreutils does.  I built this version locally because I was cross-compiling for
an embedded  PowerPC Linux target.  The issue is present on both targets.

> kaltendorf at kaltendorf-VirtualBox:~/bb/busybox-1.23.2$ ./busybox
> BusyBox v1.23.2 (2015-03-26 14:01:55 EDT) multi-call binary.
> BusyBox is copyrighted by many authors between 1998-2012.
> Licensed under GPLv2. See source distribution for detailed
> copyright notices.
> 
> <snip>
> 
> kaltendorf at kaltendorf-VirtualBox:~/bb/busybox-1.23.2$ sudo ./busybox date --utc --set="2015-04-19T12:59:23+00:00"
date: invalid date '2015-04-19T12:59:23+00:00'
> kaltendorf at kaltendorf-VirtualBox:~/bb/busybox-1.23.2$ sudo ./busybox date --utc --set="2015-04-19 12:59:23+00:00"
Sun Apr 19 12:59:00 UTC 2015
> kaltendorf at kaltendorf-VirtualBox:~/bb/busybox-1.23.2$ sudo date --utc --set="2015-04-19 12:59:23+00:00"
Sun Apr 19 12:59:23 UTC 2015
> kaltendorf at kaltendorf-VirtualBox:~/bb/busybox-1.23.2$ sudo date --utc --set="2015-04-19T12:59:23+00:00"
Sun Apr 19 12:59:23 UTC 2015

[1]:
http://en.wikipedia.org/wiki/ISO_8601#Combined_date_and_time_representations

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