Re: [Gnuplot-info] Making/finding a timefmt for the unix date command default output

[Alan C. <ala...@gm...>]

Or at a higher level:
alias newbp="cd /usr/tmp/health ; echo  `date +"%Y-%m-%d_%H-%M"` >>
bp.txt ; joe bp.txt"

Now I can track and plot my blood pressure and print it out to hand the doctor.

On 1/20/18, Alan Corey <ala...@gm...> wrote:
> OK, I hadn't really tried parsing this format in Gnuplot before I
> don't think, I've done the more common American YY-MM-DD HH:MM:SS.  I
> thought Gnuplot date parsing was a more complete subset of strptime
> and strftime.  A way to ignore 1 character (at a time) would help
> since default date output is fixed width, but then there's that month
> abbreviation.  %s is just so handy.
>
> Yeah, I've done stuff like
> adate=`date +"%Y-%m-%d_%H-%M"`
> outname=bp_$adate.txt
> for file names
>
> In the Joe editor I can do ctrl-k r like I was going to read from a
> file, then supply !date instead of a file name, but I still get the
> Sat Jan 20 09:57:00 EST 2018 format.  Oh well, so I wasn't misreading
> the documentation.
>
> Got it.  Using bash anyway.  Mismash of single, double quotes and
> backticks:
> pi3# alias gdate='echo `date +"%Y-%m-%d_%H-%M"`'
> pi3# gdate
> 2018-01-20_10-11
>
>
> On 1/20/18, Hans-Bernhard Bröker <HBB...@t-...> wrote:
>> Am 20.01.2018 um 04:28 schrieb Alan Corey:
>>> I'd like to be able to do date >> datafile, then edit the file to add
>>> other columns, and have Gnuplot understand the date/time format which
>>> looks like:
>>>
>>> Fri Jan 19 22:08:14 EST 2018
>>>
>>> It seems like this must be a common thing to do.
>>
>> Not really, since the common approach would be that, if you want a
>> machine to parse that timestamp, you better not output it in a format
>> designed strictly for human consumption.  Not even if that's the default
>> format.
>>
>> This is what date options like +'%s', -Iseconds or --rfc3339 are for,
>> the latter two possibly combined with -u to get absolute timestamps.
>>
>> Or better yet, see if your editor can't insert the timestamps itself,
>> instead of you having to do this in a two-step process.
>>
>
>
> --
> -------------
> No, I won't  call it "climate change", do you have a "reality problem"? -
> AB1JX
> Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach
>


-- 
-------------
No, I won't  call it "climate change", do you have a "reality problem"? - AB1JX
Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach