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bash rename all files which meet pattern

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Just a basic bash snippet, of interest is the substring replacement, imo.

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  1. #!/usr/bin/env bash
  2.  
  3.  
  4. for file in .* *; do
  5. # skip current/previous dirs and unresolved wildcards
  6. if [[ "$file"=="grimm*" ]]
  7.   then
  8.     old="grimm.3"
  9.     new="Grimm.S03E"
  10.     newname=${file/grimm.3/Grimm.S03E}
  11.     mv "$file" ./$newname
  12.     # ${string/substring/replacement}
  13. fi
  14. done

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