toyotacorolla

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givefilesextensions (513B)

      1 #!/bin/sh
      2 
      3 if [ "$#" -ne 1 ]; then
      4 	echo "Usage: $0 /path/to/directory"
      5 	exit 1
      6 fi
      7 
      8 target_dir="$1"
      9 
     10 if [ ! -d "$target_dir" ]; then
     11 	echo "Error: '$target_dir' is not a valid directory."
     12 	exit 1
     13 fi
     14 
     15 for file in "$target_dir"/*; do
     16 	[ -d "$file" ] && continue
     17 	mime_type=$(file --mime-type -b "$file")
     18 	extension=$(echo "$mime_type" | awk -F'/' '{print $2}')
     19 
     20 	if [[ ! "$file" == *".$extension" && -n "$extension" ]]; then
     21 	new_file="$file.$extension"
     22 	echo "$file -> $new_file"
     23 		mv "$file" "$new_file"
     24 	fi
     25 done