Remove node_modules

How to Find and Remove

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find /home/user/code -used +7 -type d -name node_modules -prune -print0 | xargs -0 /bin/rm -rf

1. to find inside /home/user/code
2. directories (-type d)
3. named node_modules (-name node_modules)
4. that were used more than 7 days ago (-used +7)
5. if found, stop looking inside -prune
6. and output a full name -print0 (with 0 instead of newline)
7. pass the found full name (xargs -0)
8. to rm (/bin/rm -rf)

Save Script

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/home/user/bin/cron/remove_node_modules:

#!bin/bash
find /home/user/code -used +7 -type d -name node_modules -prune -print0 | xargs -0 /bin/rm -rf

How to Automate

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Add the script to crontab

1. open a crontab file
   crontab -e (to change editor run select-editor)
2. speicfy an interval and a path to the script file
   @weekly /home/user/bin/cron/remove_node_modules
3. list user’s crontab:
   crontab -l

Sources

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• cron manual
• find’s prune action
• post about cron