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88 lines
2.9 KiB
Org Mode
88 lines
2.9 KiB
Org Mode
#+title: Org mode timestamps
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#+date: "2020-04-21 19:44:15 +08:00"
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#+date_modified: "2021-04-21 19:13:59 +08:00"
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#+language: en
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#+property: header-args:org :results silent
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#+tags: personal-info-management
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As previously stated, [[file:2020-04-20-16-51-40.org][Org mode]] is first created as an outliner enabling you to manage tasks.
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Here's some of the features you might be interested when using it as such.
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* Timestamps and durations
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Being a personal information tool, Org mode heavily features timestamps.
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#+begin_src org
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<2021-04-21 Wed>
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#+end_src
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You can easily set a timestamp with ~org-time-stamp~ that comes with an interactive calendar and a prompt to indicate the date and time.
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The [[https://orgmode.org/manual/The-date_002ftime-prompt.html][prompt]] is more useful since you can quickly enter relative values such as:
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- =+1d= for tomorrow.
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- =2020-05-01 +23d= means 23 days after the 2020-05-01.
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- =+4d 10:00+2= for 4 days later starting from 10:00 to 12:00.
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- =+1m 1pm+3= for a month later starting from 1:00 PM to 4:00 PM.
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Durations are made by putting a pair of dashes between two timestamps.
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#+begin_src org
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<2021-04-22 Thu>--<2021-04-25 Sun>
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#+end_src
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You can quickly create a duration by running ~org-time-stamp~ two times consecutively.
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* Deadlines and schedules
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In Org mode agenda view, it can show deadlines and schedules by prepending the timestamps with =DEADLINE= and =SCHEDULED=, respectively.
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#+begin_src org
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DEADLINE: <2021-04-26 Mon 22:00>
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SCHEDULED: <2021-04-25 Sun 20:00>
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#+end_src
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- Deadline entries make up the tasks that has to be done by the specified datetime.
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When present in the agenda, it will warn an issue when the task is not done after the deadline had passed.
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- Scheduled entries indicate the tasks that you will do starting from the timestamp.
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When present in the agenda, it will simply remind you to do the task until done.
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* Repeated tasks
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One can set [[https://orgmode.org/manual/Repeated-tasks.html][repeated tasks]] in the following format.
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#+begin_src org
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SCHEDULED: <2020-06-22 Mon +2d>
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#+end_src
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Any missed session will cause the agenda to keep overdued sessions and accumulate to repeat the tasks 'X' number of times with the number of overdued sessions.
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Some tasks does not work this way, however.
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You don't need to replace the batteries 5 times or brush your teeth 10 times to make up for it.
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For this, you can do the following.
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#+begin_src org
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SCHEDULED: <2020-06-22 Mon ++2d>
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#+end_src
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One cool thing about it if you mark a task as done, it will simply create an entry of the task completed and update the base date.
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#+begin_src org
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,* TODO Watch the lectures from Brian Harvey's SICP series (https://archive.org/details/ucberkeley-webcast-PL3E89002AA9B9879E?sort=titleSorter)
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SCHEDULED: <2020-06-24 Wed .+2d>
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:PROPERTIES:
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:LAST_REPEAT: [2020-06-22 Mon 22:01]
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:END:
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- State "DONE" from "TODO" [2020-06-22 Mon 22:01]
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#+end_src
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