sortImages

#!/bin/bash

RED='\033[0;31m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
NC='\033[0m'

# Check if it is a directory, file or invalid
isDir() {
  if [[ -d $1 ]]; then
    # This is a directory
    return 1
  elif [[ -f $1 ]]; then
    # This is a file
    return 2
  else
    # This is invalid
    return 0
  fi
}

# Handles logic according to the file type
handleType() {
  # If it is a directory, then go through the directory to check for files
  # or directories
  if [[ $1 -eq 1 ]]; then
    echo -e "\n${BLUE}"Sorting through "$2"..."${RED}\n"
    ImageInfoFEH=("$(feh -L "%f|R:%wx%h|%p|%t" -S pixels -r "$2")")
    echo "${ImageInfoFEH[0]}" >>imageInfo.txt
    echo -e "\n${BLUE}"Sorting finished. Results in imageInfo.txt"${NC}"

  # If it is a file, check if it is an image
  elif [[ $1 -eq 2 ]]; then

    IsIt=$(file "$2" --mime-type -b)
    NeedImageOnly="ItIs_"${IsIt/'/'*/}

    # If it is an image, print its information
    if [ "$NeedImageOnly" == "ItIs_image" ]; then
      echo -e "\n${BLUE}"Sorting through "$2"..."${RED}\n"
      ImageInfoFEH=("$(feh -L "%f|R:%wx%h|%p|%t" "$2")")
      echo "${ImageInfoFEH[0]}" >>imageInfo.txt
      echo -e "\n${BLUE}"Sorting finished. Results in imageInfo.txt"${NC}"
    fi
  fi
}

if [[ $1 == '' ]]; then
  PAR=$(pwd)
else
  PAR=$1
fi

isDir "$PAR"
TYPE=$?
handleType "$TYPE" "$PAR"