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Identify files in cwd which only differ in case

/ Published in: Bash
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  1. # Find all files (and directories) in the current directory (cwd) which are
  2. # 'equivalent' wrt. case. E.g. foo =~ FOO =~ foO ...
  3. shopt -s nocasematch; unset a
  4. for f in *; do
  5.     for e in "${a[@]}"; do
  6.         if [[ "$f" == "$e" ]]; then
  7.             echo "'$f' equivalent to '$e'"
  8.             # break out and continue with next file
  9.             continue 2
  10.         fi
  11.     done
  12.     # file is not yet in array -> add it
  13.     a+=($f)
  14. done

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