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BASH - Get Number of Files or Directories

#!/bin/bash
 
if [ -d "$@" ]; then
echo "Files found: $(find "$@" -type f | wc -l)"
echo "Folders found: $(find "$@" -type d | wc -l)"
else
echo "[ERROR] Please retry with another folder."
exit 1
fi

Pass the directory name where you want to search for files from the command-line.