Be sure to note that this is for 1.25.0; 1.24.2 may be different.
I got this by using "date -h", but whether or not usage syntax is
enabled depends on how your Busybox was built/configured.
I believe the TIME format section should answer your question (you need
to include hours and minutes, so try 00:00), ditto with -d/--date.
BusyBox v1.25.0 (2016-09-09 15:02:42 ICT) multi-call binary.
Usage: date [OPTIONS] [+FMT] [TIME]
Display time (using +FMT), or set time
[-s,--set] TIME Set time to TIME
-u,--utc Work in UTC (don't convert to local time)
-R,--rfc-2822 Output RFC-2822 compliant date string
-I[SPEC] Output ISO-8601 compliant date string
SPEC='date' (default) for date only,
'hours', 'minutes', or 'seconds' for date and
time to the indicated precision
-r,--reference FILE Display last modification time of FILE
-d,--date TIME Display TIME, not 'now'
-D FMT Use FMT for -d TIME conversion
Recognized TIME formats:
hh:mm[:ss]
[YYYY.]MM.DD-hh:mm[:ss]
YYYY-MM-DD hh:mm[:ss]
[[[[[YY]YY]MM]DD]hh]mm[.ss]
'date TIME' form accepts MMDDhhmm[[YY]YY][.ss] instead
--
| Jeremy Chadwick j...@koitsu.org |
| UNIX Systems Administrator http://jdc.koitsu.org/ |
| Making life hard for others since 1977. PGP 4BD6C0CB |
On Thu, Sep 22, 2016 at 02:36:11PM -0500, ITwrx.org wrote:
> hi,
>
> i'm trying to run my bash script (that works on my linux boxes) using
> busybox app (ru.meefik.busybox, ver. 1.24.2) on android
> 5.1.1(cyanogenmod 12) and i'm having trouble with date not supporting
> options. first it was "-d" that was causing issues. now busybox
> complains: "date: invalid option -- -"
>
> the code in question is here:
>
> TODAY=$(date +"%Y-%m-%d")
> birthdate=$(($bday_yr$bday_mo$bday_day))
> tmpDays=$(( ($(date --date="$TODAY" +%s) - $(date --date="$birthdate"
> +%s) )/(60*60*24) ))
> years=$(( $tmpDays / 365))
>
> so i guess it doesn't like the "--date".
>
> can anyone tell me how i'm supposed to get years (above) without using
> "-d", "--date", or any other unkown unsupported options? or maybe
> there's an accurate help file somehwere for busyboxe's date? the one i
> found online says "-d" is supported, but evidently that's not correct.
>
> thanks in advance
>
> --
> Information Technology Works
> https://ITwrx.org
> @ITwrxorg
>
> _______________________________________________
> busybox mailing list
> busybox@busybox.net
> http://lists.busybox.net/mailman/listinfo/busybox
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