已完成

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

[BACKGROUND]

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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.

[SPECIFICATION]

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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)

技能: Linux, PHP, Python, shell脚本, Ubuntu

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关于此雇主:
( 89个评论 ) Trontheim, Germany

项目ID: #16335948

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$25 USD 在1天内
(245条评论)
6.9

12 威客就此工作平均出价 $35

rajeshpal007

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

$55USD 在1天里
(15条评论)
4.8
$55USD 在1天里
(36条评论)
5.0
kyleboyer

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 更多

$25USD 在1天里
(18条评论)
4.7
zkutch

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

$50USD 在1天里
(31条评论)
5.2
GeorgeKazi

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

$30USD 在1天里
(29条评论)
4.6
$30USD 在1天里
(4条评论)
3.5
VarunUnix

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 更多

$20USD 在1天里
(1条评论)
3.1
mikhailkozalski

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.

$25USD 在1天里
(3条评论)
2.8
tsymbalyukivan

I'm working in hosting company as Linux administrator 10 years, therefore I can help you with your task. My last finished script, project - https://www.freelancer.com/projects/php/script-detect-undelivered-emails/ Wa 更多

$50 USD 在2天内
(5条评论)
2.7
gyogeshwar

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

$25USD 在1天里
(0条评论)
0.0
jackpaget27

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.

$25USD 在1天里
(1条评论)
1.0