Drag and drop batch image crop and add white space using rust on mac

gistfile1.txt

#!/bin/bash    

helpFunction()
{
   echo ""
   echo "Usage: $0 1000 100"
   echo -e "\t [Target Resolution] [Border size]"
   exit 1 # Exit script after printing help
}

# Print helpFunction in case parameters are empty
if [ -z "$1" ]
then
   echo "Some or all of the parameters are empty";
   helpFunction
fi

# Begin script in case all parameters are correct
target_res=$1
resize_res=$(($1-$2))

echo "Drag&Drop files/dirs and press enter when done."

IFS="" read -r input
eval "files=( $input )"

for file in "${files[@]}"
do
  filename=$(basename -- "$file")
  extension="${filename##*.}"
  filename="${filename%.*}"
  path=$(dirname "$file")
  autocrop -i $file
  image-resizer $file -m $1
  film-borders --image $file --no-border --width $1 --height $1 --frame-color ffffff --frame-width $2
  echo "Done"
done