Hi I have created a python file for example as file_example.py
The file will output the sensex value
Suppose the path of the file on linux system is /Desktop/downloads/file_example.py
and I normally will run the file like python file_example.py
But I want to set a cron job to run the python file every 2 min which is located at the above path
Can anyone please let me know how to do this
Edited Code:
I had edited the code and created a bash script with the name test.sh as indicated below
#!/bin/bash cd /Desktop/downloads/file_example.py python file_example.py 2>log.txt
When I run the above file, the following error is displayed:
sh-4.2$ python test.sh File "test.sh", line 3 python test.py 2>log.txt ^ SyntaxError: invalid syntax
You'll learn in a bit what this table refers to. You should use Cron any time you want to automate something, like an OS job or a Python script. Needless to say, but an automated Python script can do basically anything. On Linux and macOS, the Crontab consists of six fields.
' in the Actions Tab. And give a suitable Name and Description of your task that you want to Automate and click on Next. Step 3: In the next step, you have to select at what time intervals your script should be executed. Select 'Daily' and click Next.
Assuming you are using a unix OS, you would do the following.
edit the crontab file using the command
crontab -e
add a line that resembles the one below
*/2 * * * * /Desktop/downloads/file_example.py
this can be used to run other scripts simply use the path to the script needed i.e.
*/2 * * * * /path/to/script/to/run.sh
An explanation of the timing is below (add a star and slash before number to run every n timesteps, in this case every 2 minutes)
* * * * * command to be executed - - - - - | | | | | | | | | ----- Day of week (0 - 7) (Sunday=0 or 7) | | | ------- Month (1 - 12) | | --------- Day of month (1 - 31) | ----------- Hour (0 - 23) ------------- Minute (0 - 59)
You can use python-crontab module.
https://pypi.python.org/pypi/python-crontab
To create a new cron job is as simple as follows:
from crontab import CronTab #init cron cron = CronTab() #add new cron job job = cron.new(command='/usr/bin/echo') #job settings job.hour.every(4)
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