Bash Script: Calculate sundown and enter this time in cron tab



Industrial Building Lighting – when the sun goes down, lightings should go up (executed via a linux command line utility – out of scope). Based on geo-coordinates, this time varies. It should run on Debian 6 system.



SCRIPT_NAME: “[url removed, login to view]”

INPUT: $1 geo-coordinates (x,y), $2 hour_offset (+/- hours), $3 minute_offset (+ minutes), $4 execution_string

BUSINESS LOGIC: Takes the parameters, calculates internally the sundown based on the geo-coordinates given in $1, builds internally an cron-job string, and the replaces an existing line (the last line in the cron file – the one frpom the day before) in crontab with new calculated

EXAMPLE: [url removed, login to view] 67,76,+2,+15,“bash /opt/scripts/[url removed, login to view]”

SCRIPT EXECUTION: There is a fixed/static cron-tab line which executes “[url removed, login to view]” every day at 02:00 am (Annotation: so that at the next day the lights will be started with the new sundown time)

OUTPUT/RESULT (please make a valid cron entry): (Annotation: replaces last line in /var/spool/cron/tab/root)

* * $calculated_sundown_hour (+/- $2 = hour_offset) $calculated_sundown_minute (+ $3 minute_offset)

Taidot: Linux, PHP, Python, Shell Script, Ubuntu

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Tietoa työnantajasta:
( 89 arvostelua ) Trontheim, Germany

Projektin tunnus: #16335948

Myönnetty käyttäjälle:

$25 USD 1 päivässä
(245 Arvostelua)

12 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön


Hi, I can do this. I am a Shell Scripting Expert with 10 years of experience. Thanks & Regards, Rajesh Pal NEC

$55 USD 1 päivässä
(15 arvostelua)
$55 USD 1 päivässä
(36 arvostelua)

Hello! My name is Kyle. I have a lot of experience with writing bash scripts to do all sorts of automated tasks. I believe that your bash script should be simple to create. This would only need one web request, and Lisää

$25 USD 1 päivässä
(18 arvostelua)

Hello More 20 years programming experience. I need more details to set real price and time. Regards.

$50 USD 1 päivässä
(31 arvostelua)

Hello! I am an experienced shell script coder and I can help you. Let's talk! Thanks, George

$30 USD 1 päivässä
(29 arvostelua)
$30 USD 1 päivässä
(4 arvostelua)

Hi, I can do this, but few queries - 1. How the parameters are passed to script - 2. What is the internal calculations based on geo-coordinates. I have other queries as well,. You can go through my profile and if in Lisää

$20 USD 1 päivässä
(1 arvostelu)

Hi I have several scraping modules selenium, scrapy etc. If you hire me , I 'll finish your project for a few times perfectly. Thanks for your attention.

$25 USD 1 päivässä
(3 arvostelua)

I'm working in hosting company as Linux administrator 10 years, therefore I can help you with your task. My last finished script, project - Wa Lisää

$50 USD 2 päivässä
(5 arvostelua)

Pay me as per my work quality .......................................................................

$25 USD 1 päivässä
(0 arvostelua)

Experienced in python and working with Julian dates to calculate sunrise/sunset. Also experienced in Linux server administration so will be able to complete this task efficiently and rapidly.

$25 USD 1 päivässä
(1 arvostelu)