Reading dates/times from a text file

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dormant
dormant 2021-8-24
评论： Star Strider 2021-8-25
I want to read all the dates and times from a text file into an array of serial date numbers.
I've always done this in the past with textread and then parsing the date string.
There seems to be a more elegant way to do this, using readtable, but I'm struggling to make it work.
The format of the lines in the text file is this:
20210824_UTC_06:47:41
How do I read these in, using readtable or some other way?

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回答（1 个）

Star Strider
Star Strider 2021-8-24
Ran in:
That is not a straightforward as it would fitst appear.
Try this —
Time = '20210824_UTC_06:47:41'
Time = '20210824_UTC_06:47:41'
DT = datetime(Time, 'InputFormat','yyyyMMdd''_UTC_''HH:mm:ss', 'TimeZone','UTC')
DT = datetime
24-Aug-2021 06:47:41
DT.TimeZone = '-7' % Convert To: UTC-7:00:00
DT = datetime
23-Aug-2021 23:47:41
.

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