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Editorial Team
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Asked: 2026-06-18T14:58:16+00:00

I am having problems when trying to run my R script using Rscript via

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I am having problems when trying to run my R script using Rscript via crontab.

The following command works fine when running in the command line

Rscript /var/www/html/sent/sentiment/code/parse.r

But the following line inside crontab

*/5 * * * * Rscript /var/www/html/sent/sentiment/code/parse.r > /var/www/html/sent/sentiment/code/backup.log 2>&1

Will return the following error in the log

Error in library(twitteR) : there is no package called 'twitteR'
Execution halted

Why is it possible that Rscript won’t be able to find the packages when running using cron?
How can I make crontab ‘see’ my R packages.

Any tip much appreciated.

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1 Answer

  1. Editorial Team

    As suggested in the comments, the problem might be that you and your crontab are using a different R install.

    To check if it is the case, run which Rscript as yourself and as crontab.

    If they are different (which I suspect), you could use the full path to the appropriate Rscript when you are calling it from crontab. A more permanent solution would require setting environment variables.

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