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  1. Delete files not modified in n days
  2. Replace text in all files in & under the current directory

Delete files not modified in n days

Useful for clearing out caches that aren't properly cleaned out otherwise. 

# Delete files not modified in 30 days
find /path/to/files* -mtime +30 -exec rm {} \;

Replace text in all files in & under the current directory

find . -type f -exec sed -i 's/old/new/g' {} \;

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