I am setting a cron job on my linux server. So i am writing

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Editorial Team

Asked: May 24, 20262026-05-24T16:30:46+00:00 2026-05-24T16:30:46+00:00

I am setting a cron job on my linux server.

So i am writing a shell script for it,which invoke after every 20 minutes.

In this shell script i need to do following:

I want to executed a php script if something changed(in last 20 min) in mydata.csv file.

So plese tell me how can i do this?

-Thanks

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Editorial Team · Answer 1 · 2026-05-24T16:30:47+00:00

Editorial Team

Check the last modified date on the CSV file and compare it to the current time (not on a *nix machine right now, Google it)
Execute the PHP script
```
/usr/bin/php /path/to/php/script.php
```

Disclaimer: The path to your PHP binary may differ

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