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bug#37921: date -d "a day ago" differs from date -d "1 day ago"


From: Bernhard Voelker
Subject: bug#37921: date -d "a day ago" differs from date -d "1 day ago"
Date: Fri, 25 Oct 2019 18:04:37 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0

On 2019-10-25 15:59, Matt Carter wrote:
> + date -d 'a day ago'

Please look at the output with --debug.

  $ date --debug  -d 'a day ago'
  date: parsed zone part: UTC-01
  [...]

The first 'a' is not parsed [1] as a synonym for "one day", but
rather as the "A" military timezone [2].

[1] 
https://git.sv.gnu.org/cgit/gnulib.git/tree/lib/parse-datetime.y?id=06011ed74e#n1161
[2] https://en.wikipedia.org/wiki/List_of_military_time_zones

Have a nice day,
Berny





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