From: Bakul Shah <bakul@bitblocks.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] silly question
Date: Tue, 2 Sep 2014 14:27:34 -0700 [thread overview]
Message-ID: <20140902212734.39690B827@mail.bitblocks.com> (raw)
In-Reply-To: Your message of "Tue, 02 Sep 2014 14:10:57 PDT." <CAJSxfm+vDRwVqZGxJK1rDvJnj7AF0VJSW80yMCFxCe2awF8F+w@mail.gmail.com>
Skip, You have a very strange sense of humour.
At the first stroke it will be ten thrree & 40 seconds.
At the first stroke it will be ten thrree & 50 seconds.
At the first stroke it will be ten four. Precisely.
On Tue, 02 Sep 2014 14:10:57 PDT Skip Tavakkolian <skip.tavakkolian@gmail.com> wrote:
> inspired me to write discotime:
>
> % cat discotime.go
> // print the number of seconds from the dawn of Disco until the date
> in the argument
> package main
>
> import (
> "fmt"
> "os"
> "time"
> )
>
> func main() {
> for _, s := range os.Args[1:] {
> d, err := time.Parse(time.UnixDate, s)
> if err != nil {
> panic(err)
> }
> fmt.Println(d.Unix())
> }
> }
> % ./discotime 'Tue Aug 16 17:03:52 CDT 1977'
> 240599032
>
> to make a hammertime (http://en.wikipedia.org/wiki/U_Can't_Touch_This)
> you can subtract 1990 from parsed date instead.
>
> -Skip
>
>
> On Tue, Sep 2, 2014 at 1:04 PM, Bakul Shah <bakul@bitblocks.com> wrote:
> > On Tue, 02 Sep 2014 15:10:56 EDT erik quanstrom <quanstro@quanstro.net> wro
> te:
> >> > Strftime is a red herring (sorry), I can use and "date" | getline
> >> > to generate pretty much any date string I need.
> >> >
> >> > The issue is more going the other way. tm2sec in awk is quite complex
> >> > and hids many pitfalls if you want to do it correctly.
> >> >
> >> > My problem is parsing logfiles which contain dates in the form
> >> > of date(1) / ctime(2).
> >> >
> >> > I want to graph stuff over time and so I want a monotonically incrementi
> ng
> >> > number (secs sinc 1/1/70 would be ideal). I have coded this in awk but
> >> > for one year leap years break - though not by much.
> >>
> >> if the hair is just leap years, the algorithm used by /sys/src/libc/9sys/c
> tim
> >> e.c
> >> is pretty attractive. the idea is to just loop through the years between
> giv
> >> en
> >> and 1970, and add a day for each leap year encountered. should be easy
> >> to do in awk.
> >
> > plan9 doesn't deal with leap seconds, right? There've been 35
> > leap seconds since 1972 (International Atomic Time is 35
> > seconds ahead of GMT). Though this probably doesn't matter
> > for timestamps in log files.
> >
>
next prev parent reply other threads:[~2014-09-02 21:27 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-02 7:07 Steve Simon
2014-09-02 8:27 ` lucio
2014-09-02 8:46 ` arnold
2014-09-02 9:40 ` Jens Staal
2014-09-02 14:07 ` arnold
2014-09-02 14:22 ` Steve Simon
2014-09-02 14:29 ` arnold
2014-09-02 17:02 ` erik quanstrom
2014-09-02 18:18 ` Steve Simon
2014-09-02 19:10 ` erik quanstrom
2014-09-02 20:04 ` Bakul Shah
2014-09-02 21:05 ` erik quanstrom
2014-09-02 21:50 ` Kurt H Maier
2014-09-02 23:00 ` erik quanstrom
2014-09-02 23:04 ` Bakul Shah
2014-09-02 23:19 ` erik quanstrom
2014-09-02 23:29 ` Bakul Shah
2014-09-02 21:10 ` Skip Tavakkolian
2014-09-02 21:14 ` Steve Simon
2014-09-02 21:27 ` Bakul Shah [this message]
2014-09-02 21:43 ` Skip Tavakkolian
2014-09-02 18:36 ` Kurt H Maier
2014-09-02 19:18 ` Steve Simon
2014-09-02 23:34 sl
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140902212734.39690B827@mail.bitblocks.com \
--to=bakul@bitblocks.com \
--cc=9fans@9fans.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).