selbyk/batch_resize.sh

## batch_resize.sh
#/bin/bash
# Usage: ./batch_resize.sh input_dir output_dir “10 30 50”
#        ./batch_resize.sh help

# Setup our globals
PARAM_CHECK_FAIL=0
INPUT_DIR=""
OUTPUT_DIR=""
SIZES=()

IMAGES_PROCESSED=0
IMAGES_PRODUCED=0
ORIGINALS_SIZE=0
RESIZED_SIZE=0

# Function to quit
function quit {
  exit
}

# Resets the environment to run our tests
function reset {
  PARAM_CHECK_FAIL=0
  INPUT_DIR=""
  OUTPUT_DIR=""
  SIZES=()
}

# Prints the help menu
function help_menu {
  echo '# ./batch_resize.sh - A tool for resizing images'
  echo '# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES'
  echo '#   input_dir - directory where images are stored'
  echo '#   output_dir - directory where images should be saved'
  echo '#   sizes - string of integers seperated by spaces representing the'
  echo -e '#           the percentages to which the images will be scaled\n#'
  echo -e '# Example: ./batch_resize.sh ./input ./output “10 30 50...”\n#'
  echo '# Help: ./batch_resize.sh help'
  echo -e '#     --- Displays this menu\n#'
  echo '# Test: ./batch_resize.sh test'
  echo '#     --- Runs all the test configuration and logs them to file\n'
}

# Setup params from input arguments
function setup_params {
  INPUT_DIR=$1
  OUTPUT_DIR=$2
  SIZES=($3)
}

# Validate global params to make sure they're acceptable before processing
function check_params {
  if [ -z "$INPUT_DIR" ]; then
    echo "# Error: input dir not given"
    PARAM_CHECK_FAIL=1
  else
    if [ "$INPUT_DIR" != "help" ]; then
      if [ ! -d "$INPUT_DIR" ]; then
        echo "# Error: input dir doesn't exist"
        PARAM_CHECK_FAIL=1
      fi
      if [ -z "$OUTPUT_DIR" ]; then
        echo "# Error: output dir not given"
        PARAM_CHECK_FAIL=1
      else
        if [ -d "$OUTPUT_DIR" ]; then
          echo "# Warning: ouput dir exists, files may be overwritten... exiting"
          PARAM_CHECK_FAIL=1
        fi
      fi
      if [ -z "$SIZES" ]; then
        echo "# Error: sizes not given"
        PARAM_CHECK_FAIL=1
      else
        for SIZE in "${SIZES[@]}"; do
          if ! [[ "$SIZE" =~ ^[0-9]+$ ]]; then
            echo "# Error: sizes in incorrect format, should be \"int int int...\""
            PARAM_CHECK_FAIL=1
          fi
        done
      fi
    fi
  fi
  if [ "$PARAM_CHECK_FAIL" -eq "1" ]; then
    echo "# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'"
    echo "# Run './batch_resize.sh help' for more information"
  fi
}

# Process the images using the validated arguments
function process_images {
  for IMAGE_PATH in $INPUT_DIR/**/*.jpg; do
    # Get path new images will reside in and ensure it exists
    DIR=$(echo "$IMAGE_PATH" | sed -r "s#^$INPUT_DIR(.*)/(.*)\.jpg#$OUTPUT_DIR\1#gm")
    mkdir -p $DIR
    # File stub to append size and extention to
    FILE_STUB=$(echo "$IMAGE_PATH" | sed -r "s#^$INPUT_DIR(.*)/(.*)\.jpg#$OUTPUT_DIR\1/\2#gm")
    # Might as well get the oiginal image data outside of the SIZES loop
    OLD_IMAGE_SIZE=$(wc -c $IMAGE_PATH | awk '{print $1;}')
    # Update global original tallys
    IMAGES_PROCESSED=$(($IMAGES_PROCESSED+1))
    ORIGINALS_SIZE=$(($ORIGINALS_SIZE+$OLD_IMAGE_SIZE))
    for SIZE in "${SIZES[@]}"; do
      # Run convertion commands for each size in SIZES
      NEW_IMAGE_PATH=$(echo "$FILE_STUB-r$SIZE.jpg")
      convert -resize $SIZE% $IMAGE_PATH $NEW_IMAGE_PATH
      NEW_IMAGE_SIZE=$(wc -c $NEW_IMAGE_PATH | wc -c - | awk '{print $1;}')
      # Update the user on our progress
      echo "Conversion complete!"
      echo "    Original: $IMAGE_PATH, Size: $OLD_IMAGE_SIZE"
      echo "    Resized: $NEW_IMAGE_PATH, Size: $NEW_IMAGE_SIZE"
      # Update global resized tallys
      IMAGES_PRODUCED=$(($IMAGES_PRODUCED+1))
      RESIZED_SIZE=$(($RESIZED_SIZE+$NEW_IMAGE_SIZE))
    done
  done
}

# Print the final processing data
function report_final {
  echo -e "All images have finished converting!\n"
  echo "FINAL REPORT"
  echo "    # IMAGES PROCESSED: $IMAGES_PROCESSED"
  echo "    # IMAGES PRODUCED: $IMAGES_PRODUCED"
  echo "    ORIGINALS SIZE TOTAL: $ORIGINALS_SIZE"
  echo "    RESIZED SIZE TOTAL REPORT: $RESIZED_SIZE"
}

# Runs all our functions so that they do something useful
function run {
  # Set up user input args into environment vars
  setup_params "$@"
  # Validate the params to make sure they're usable
  check_params
  if [ "$PARAM_CHECK_FAIL" -eq "0" ]; then # Safe to continue!
    if [[ "$1" == "help" ]]; then # Safe to continue!
      help_menu
    else
      process_images
      report_final
    fi
  fi
}

# Test all the potential configurations
function test {
  # Configuration options
  POTENTIAL_INPUT=(help ./input_missing ./lfw)
  POTENTIAL_OUTPUT=(./output_missing ./output)
  POTENTIAL_SIZES=(""
  10\ 2.3\ 25
  six
  10\ 30\ 50)
  # Do a little house keeping for testing
  if [ -d ./input_missing ]; then
    rm -fr ./input_missing
  fi
  if [ -d ./output_missing ]; then
    rm -fr ./output_missing
  fi
  # Empty out log file
  > ./test.log
  # Run all combinations of the tests
  for INPUT in ${POTENTIAL_INPUT[@]}; do
    reset
    echo -e ">>> Test configuration: './batch_resize.sh $INPUT'\n" >> ./test.log
    run $INPUT >> ./test.log
    echo -e "\nFinished.\n" >> ./test.log
  done
  for INPUT in ${POTENTIAL_INPUT[@]}; do
    for OUTPUT in ${POTENTIAL_OUTPUT[@]}; do
      reset
      echo -e ">>> Test configuration: './batch_resize.sh $INPUT $OUTPUT'\n" >> ./test.log
      run $INPUT $OUTPUT >> ./test.log
      echo -e "\nFinished.\n" >> ./test.log
    done
  done
  for INPUT in "${POTENTIAL_INPUT[@]}"; do
    for OUTPUT in "${POTENTIAL_OUTPUT[@]}"; do
      for SIZE in "${POTENTIAL_SIZES[@]}"; do
        reset
        echo -e ">>> Test configuration: './batch_resize.sh $INPUT $OUTPUT \"$SIZE\"'\n" >> ./test.log
        run $INPUT $OUTPUT $SIZE >> ./test.log
        echo -e "\nFinished.\n" >> ./test.log
      done
    done
  done
}

# Let's do it!
if [ "$1" == "test" ]; then
  echo -e "You can find the test results in ./test.log"
  test
else
  run "$@"
fi

# Time to say good-bye
quit

## test.log
>>> Test configuration: './batch_resize.sh help'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing'

# Error: input dir doesn't exist
# Error: output dir not given
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw'

# Error: output dir not given
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh help ./output_missing'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output_missing'

# Error: input dir doesn't exist
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output'

# Error: input dir doesn't exist
# Warning: ouput dir exists, files may be overwritten... exiting
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output_missing'

# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output'

# Warning: ouput dir exists, files may be overwritten... exiting
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh help ./output_missing ""'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output_missing "10 2.3 25"'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output_missing "six"'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output_missing "10 30 50"'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output ""'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output "10 2.3 25"'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output "six"'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh help ./output "10 30 50"'

# ./batch_resize.sh - A tool for resizing images
# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES
#   input_dir - directory where images are stored
#   output_dir - directory where images should be saved
#   sizes - string of integers seperated by spaces representing the
#           the percentages to which the images will be scaled
#
# Example: ./batch_resize.sh ./input ./output “10 30 50...”
#
# Help: ./batch_resize.sh help
#     --- Displays this menu
#
# Test: ./batch_resize.sh test
#     --- Runs all the test configuration and logs them to file\n

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output_missing ""'

# Error: input dir doesn't exist
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output_missing "10 2.3 25"'

# Error: input dir doesn't exist
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output_missing "six"'

# Error: input dir doesn't exist
# Error: sizes in incorrect format, should be "int int int..."
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output_missing "10 30 50"'

# Error: input dir doesn't exist
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output ""'

# Error: input dir doesn't exist
# Warning: ouput dir exists, files may be overwritten... exiting
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output "10 2.3 25"'

# Error: input dir doesn't exist
# Warning: ouput dir exists, files may be overwritten... exiting
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output "six"'

# Error: input dir doesn't exist
# Warning: ouput dir exists, files may be overwritten... exiting
# Error: sizes in incorrect format, should be "int int int..."
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./input_missing ./output "10 30 50"'

# Error: input dir doesn't exist
# Warning: ouput dir exists, files may be overwritten... exiting
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output_missing ""'

# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output_missing "10 2.3 25"'

Conversion complete!
    Original: ./lfw/Aaron_Eckhart/Aaron_Eckhart_0001.jpg, Size: 10828
    Resized: ./output_missing/Aaron_Eckhart/Aaron_Eckhart_0001-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Billy_Rork/Billy_Rork_0001.jpg, Size: 10588
    Resized: ./output_missing/Billy_Rork/Billy_Rork_0001-r10.jpg, Size: 56
Conversion complete!
    Original: ./lfw/Charlie_Sheen/Charlie_Sheen_0001.jpg, Size: 11280
    Resized: ./output_missing/Charlie_Sheen/Charlie_Sheen_0001-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Danny_Green/Danny_Green_0001.jpg, Size: 14356
    Resized: ./output_missing/Danny_Green/Danny_Green_0001-r10.jpg, Size: 58
Conversion complete!
    Original: ./lfw/Elena_de_Chavez/Elena_de_Chavez_0001.jpg, Size: 19890
    Resized: ./output_missing/Elena_de_Chavez/Elena_de_Chavez_0001-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Felix_Doh/Felix_Doh_0001.jpg, Size: 14285
    Resized: ./output_missing/Felix_Doh/Felix_Doh_0001-r10.jpg, Size: 54
Conversion complete!
    Original: ./lfw/Filippo_Volandri/Filippo_Volandri_0001.jpg, Size: 14986
    Resized: ./output_missing/Filippo_Volandri/Filippo_Volandri_0001-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Gao_Qiang/Gao_Qiang_0001.jpg, Size: 15741
    Resized: ./output_missing/Gao_Qiang/Gao_Qiang_0001-r10.jpg, Size: 54
Conversion complete!
    Original: ./lfw/Gao_Qiang/Gao_Qiang_0002.jpg, Size: 14800
    Resized: ./output_missing/Gao_Qiang/Gao_Qiang_0002-r10.jpg, Size: 54
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0001.jpg, Size: 17310
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0001-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0002.jpg, Size: 14802
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0002-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0003.jpg, Size: 16223
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0003-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0004.jpg, Size: 19889
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0004-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0005.jpg, Size: 13668
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0005-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0006.jpg, Size: 15306
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0006-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0007.jpg, Size: 14070
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0007-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0008.jpg, Size: 14833
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0008-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0009.jpg, Size: 13059
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0009-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0010.jpg, Size: 14210
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0010-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0011.jpg, Size: 11254
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0011-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harrison_Ford/Harrison_Ford_0012.jpg, Size: 15386
    Resized: ./output_missing/Harrison_Ford/Harrison_Ford_0012-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Harry_Kalas/Harry_Kalas_0001.jpg, Size: 12963
    Resized: ./output_missing/Harry_Kalas/Harry_Kalas_0001-r10.jpg, Size: 58
Conversion complete!
    Original: ./lfw/Harry_Kalas/Harry_Kalas_0002.jpg, Size: 12331
    Resized: ./output_missing/Harry_Kalas/Harry_Kalas_0002-r10.jpg, Size: 58
Conversion complete!
    Original: ./lfw/Henry_Kissinger/Henry_Kissinger_0001.jpg, Size: 14235
    Resized: ./output_missing/Henry_Kissinger/Henry_Kissinger_0001-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Imelda_Marcos/Imelda_Marcos_0001.jpg, Size: 17052
    Resized: ./output_missing/Imelda_Marcos/Imelda_Marcos_0001-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Juanes/Juanes_0001.jpg, Size: 15035
    Resized: ./output_missing/Juanes/Juanes_0001-r10.jpg, Size: 48
Conversion complete!
    Original: ./lfw/Juanes/Juanes_0002.jpg, Size: 16951
    Resized: ./output_missing/Juanes/Juanes_0002-r10.jpg, Size: 48
Conversion complete!
    Original: ./lfw/Juanes/Juanes_0003.jpg, Size: 17428
    Resized: ./output_missing/Juanes/Juanes_0003-r10.jpg, Size: 48
Conversion complete!
    Original: ./lfw/Kay_Bailey_Hutchison/Kay_Bailey_Hutchison_0001.jpg, Size: 12323
    Resized: ./output_missing/Kay_Bailey_Hutchison/Kay_Bailey_Hutchison_0001-r10.jpg, Size: 76
Conversion complete!
    Original: ./lfw/Madonna/Madonna_0001.jpg, Size: 13637
    Resized: ./output_missing/Madonna/Madonna_0001-r10.jpg, Size: 50
Conversion complete!
    Original: ./lfw/Madonna/Madonna_0002.jpg, Size: 9424
    Resized: ./output_missing/Madonna/Madonna_0002-r10.jpg, Size: 50
Conversion complete!
    Original: ./lfw/Madonna/Madonna_0003.jpg, Size: 11363
    Resized: ./output_missing/Madonna/Madonna_0003-r10.jpg, Size: 50
Conversion complete!
    Original: ./lfw/Madonna/Madonna_0004.jpg, Size: 18068
    Resized: ./output_missing/Madonna/Madonna_0004-r10.jpg, Size: 50
Conversion complete!
    Original: ./lfw/Madonna/Madonna_0005.jpg, Size: 16713
    Resized: ./output_missing/Madonna/Madonna_0005-r10.jpg, Size: 50
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0001.jpg, Size: 15884
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0001-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0002.jpg, Size: 14285
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0002-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0003.jpg, Size: 12511
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0003-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0004.jpg, Size: 13264
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0004-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0005.jpg, Size: 13164
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0005-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0006.jpg, Size: 14466
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0006-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0007.jpg, Size: 11515
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0007-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0008.jpg, Size: 13086
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0008-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0009.jpg, Size: 12632
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0009-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0010.jpg, Size: 13285
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0010-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0011.jpg, Size: 12092
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0011-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michael_Jackson/Michael_Jackson_0012.jpg, Size: 13944
    Resized: ./output_missing/Michael_Jackson/Michael_Jackson_0012-r10.jpg, Size: 66
Conversion complete!
    Original: ./lfw/Michelle_Yeoh/Michelle_Yeoh_0001.jpg, Size: 12468
    Resized: ./output_missing/Michelle_Yeoh/Michelle_Yeoh_0001-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Michelle_Yeoh/Michelle_Yeoh_0002.jpg, Size: 13445
    Resized: ./output_missing/Michelle_Yeoh/Michelle_Yeoh_0002-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Michelle_Yeoh/Michelle_Yeoh_0003.jpg, Size: 12885
    Resized: ./output_missing/Michelle_Yeoh/Michelle_Yeoh_0003-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Michelle_Yeoh/Michelle_Yeoh_0004.jpg, Size: 13242
    Resized: ./output_missing/Michelle_Yeoh/Michelle_Yeoh_0004-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Michelle_Yeoh/Michelle_Yeoh_0005.jpg, Size: 13889
    Resized: ./output_missing/Michelle_Yeoh/Michelle_Yeoh_0005-r10.jpg, Size: 62
Conversion complete!
    Original: ./lfw/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0001.jpg, Size: 17489
    Resized: ./output_missing/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0001-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0002.jpg, Size: 12475
    Resized: ./output_missing/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0002-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0003.jpg, Size: 13252
    Resized: ./output_missing/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0003-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0004.jpg, Size: 18785
    Resized: ./output_missing/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0004-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0005.jpg, Size: 14027
    Resized: ./output_missing/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0005-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0006.jpg, Size: 13124
    Resized: ./output_missing/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0006-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0007.jpg, Size: 19282
    Resized: ./output_missing/Oscar_De_La_Hoya/Oscar_De_La_Hoya_0007-r10.jpg, Size: 68
Conversion complete!
    Original: ./lfw/Princess_Diana/Princess_Diana_0001.jpg, Size: 14320
    Resized: ./output_missing/Princess_Diana/Princess_Diana_0001-r10.jpg, Size: 64
Conversion complete!
    Original: ./lfw/Zoran_Djindjic/Zoran_Djindjic_0001.jpg, Size: 14293
    Resized: ./output_missing/Zoran_Djindjic/Zoran_Djindjic_0001-r10.jpg, Size: 64
Conversion complete!
    Original: ./lfw/Zoran_Djindjic/Zoran_Djindjic_0002.jpg, Size: 12085
    Resized: ./output_missing/Zoran_Djindjic/Zoran_Djindjic_0002-r10.jpg, Size: 64
Conversion complete!
    Original: ./lfw/Zoran_Djindjic/Zoran_Djindjic_0003.jpg, Size: 13269
    Resized: ./output_missing/Zoran_Djindjic/Zoran_Djindjic_0003-r10.jpg, Size: 64
Conversion complete!
    Original: ./lfw/Zoran_Djindjic/Zoran_Djindjic_0004.jpg, Size: 12827
    Resized: ./output_missing/Zoran_Djindjic/Zoran_Djindjic_0004-r10.jpg, Size: 64
All images have finished converting!

FINAL REPORT
    # IMAGES PROCESSED: 63
    # IMAGES PRODUCED: 63
    ORIGINALS SIZE TOTAL: 895572
    RESIZED SIZE TOTAL REPORT: 3890

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output_missing "six"'

# Warning: ouput dir exists, files may be overwritten... exiting
# Error: sizes in incorrect format, should be "int int int..."
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output_missing "10 30 50"'

# Warning: ouput dir exists, files may be overwritten... exiting
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output ""'

# Warning: ouput dir exists, files may be overwritten... exiting
# Error: sizes not given
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output "10 2.3 25"'

# Warning: ouput dir exists, files may be overwritten... exiting
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output "six"'

# Warning: ouput dir exists, files may be overwritten... exiting
# Error: sizes in incorrect format, should be "int int int..."
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.

>>> Test configuration: './batch_resize.sh ./lfw ./output "10 30 50"'

# Warning: ouput dir exists, files may be overwritten... exiting
# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'
# Run './batch_resize.sh help' for more information

Finished.
	#/bin/bash
	# Usage: ./batch_resize.sh input_dir output_dir “10 30 50”
	# ./batch_resize.sh help

	# Setup our globals
	PARAM_CHECK_FAIL=0
	INPUT_DIR=""
	OUTPUT_DIR=""
	SIZES=()

	IMAGES_PROCESSED=0
	IMAGES_PRODUCED=0
	ORIGINALS_SIZE=0
	RESIZED_SIZE=0

	# Function to quit
	function quit {
	exit
	}

	# Resets the environment to run our tests
	function reset {
	PARAM_CHECK_FAIL=0
	INPUT_DIR=""
	OUTPUT_DIR=""
	SIZES=()
	}

	# Prints the help menu
	function help_menu {
	echo '# ./batch_resize.sh - A tool for resizing images'
	echo '# Main Usage: ./batch_resize.sh INPUT_DIR OUTPUT_DIR SIZES'
	echo '# input_dir - directory where images are stored'
	echo '# output_dir - directory where images should be saved'
	echo '# sizes - string of integers seperated by spaces representing the'
	echo -e '# the percentages to which the images will be scaled\n#'
	echo -e '# Example: ./batch_resize.sh ./input ./output “10 30 50...”\n#'
	echo '# Help: ./batch_resize.sh help'
	echo -e '# --- Displays this menu\n#'
	echo '# Test: ./batch_resize.sh test'
	echo '# --- Runs all the test configuration and logs them to file\n'
	}

	# Setup params from input arguments
	function setup_params {
	INPUT_DIR=$1
	OUTPUT_DIR=$2
	SIZES=($3)
	}

	# Validate global params to make sure they're acceptable before processing
	function check_params {
	if [ -z "$INPUT_DIR" ]; then
	echo "# Error: input dir not given"
	PARAM_CHECK_FAIL=1
	else
	if [ "$INPUT_DIR" != "help" ]; then
	if [ ! -d "$INPUT_DIR" ]; then
	echo "# Error: input dir doesn't exist"
	PARAM_CHECK_FAIL=1
	fi
	if [ -z "$OUTPUT_DIR" ]; then
	echo "# Error: output dir not given"
	PARAM_CHECK_FAIL=1
	else
	if [ -d "$OUTPUT_DIR" ]; then
	echo "# Warning: ouput dir exists, files may be overwritten... exiting"
	PARAM_CHECK_FAIL=1
	fi
	fi
	if [ -z "$SIZES" ]; then
	echo "# Error: sizes not given"
	PARAM_CHECK_FAIL=1
	else
	for SIZE in "${SIZES[@]}"; do
	if ! [[ "$SIZE" =~ ^[0-9]+$ ]]; then
	echo "# Error: sizes in incorrect format, should be \"int int int...\""
	PARAM_CHECK_FAIL=1
	fi
	done
	fi
	fi
	fi
	if [ "$PARAM_CHECK_FAIL" -eq "1" ]; then
	echo "# Error: input must be in the form './batch_resize.sh input_dir output_dir sizes'"
	echo "# Run './batch_resize.sh help' for more information"
	fi
	}

	# Process the images using the validated arguments
	function process_images {
	for IMAGE_PATH in $INPUT_DIR/*/.jpg; do
	# Get path new images will reside in and ensure it exists
	DIR=$(echo "$IMAGE_PATH" \| sed -r "s#^$INPUT_DIR(.)/(.)\.jpg#$OUTPUT_DIR\1#gm")
	mkdir -p $DIR
	# File stub to append size and extention to
	FILE_STUB=$(echo "$IMAGE_PATH" \| sed -r "s#^$INPUT_DIR(.)/(.)\.jpg#$OUTPUT_DIR\1/\2#gm")
	# Might as well get the oiginal image data outside of the SIZES loop
	OLD_IMAGE_SIZE=$(wc -c $IMAGE_PATH \| awk '{print $1;}')
	# Update global original tallys
	IMAGES_PROCESSED=$(($IMAGES_PROCESSED+1))
	ORIGINALS_SIZE=$(($ORIGINALS_SIZE+$OLD_IMAGE_SIZE))
	for SIZE in "${SIZES[@]}"; do
	# Run convertion commands for each size in SIZES
	NEW_IMAGE_PATH=$(echo "$FILE_STUB-r$SIZE.jpg")
	convert -resize $SIZE% $IMAGE_PATH $NEW_IMAGE_PATH
	NEW_IMAGE_SIZE=$(wc -c $NEW_IMAGE_PATH \| wc -c - \| awk '{print $1;}')
	# Update the user on our progress
	echo "Conversion complete!"
	echo " Original: $IMAGE_PATH, Size: $OLD_IMAGE_SIZE"
	echo " Resized: $NEW_IMAGE_PATH, Size: $NEW_IMAGE_SIZE"
	# Update global resized tallys
	IMAGES_PRODUCED=$(($IMAGES_PRODUCED+1))
	RESIZED_SIZE=$(($RESIZED_SIZE+$NEW_IMAGE_SIZE))
	done
	done
	}

	# Print the final processing data
	function report_final {
	echo -e "All images have finished converting!\n"
	echo "FINAL REPORT"
	echo " # IMAGES PROCESSED: $IMAGES_PROCESSED"
	echo " # IMAGES PRODUCED: $IMAGES_PRODUCED"
	echo " ORIGINALS SIZE TOTAL: $ORIGINALS_SIZE"
	echo " RESIZED SIZE TOTAL REPORT: $RESIZED_SIZE"
	}

	# Runs all our functions so that they do something useful
	function run {
	# Set up user input args into environment vars
	setup_params "$@"
	# Validate the params to make sure they're usable
	check_params
	if [ "$PARAM_CHECK_FAIL" -eq "0" ]; then # Safe to continue!
	if [[ "$1" == "help" ]]; then # Safe to continue!
	help_menu
	else
	process_images
	report_final
	fi
	fi
	}

	# Test all the potential configurations
	function test {
	# Configuration options
	POTENTIAL_INPUT=(help ./input_missing ./lfw)
	POTENTIAL_OUTPUT=(./output_missing ./output)
	POTENTIAL_SIZES=(""
	10\ 2.3\ 25
	six
	10\ 30\ 50)
	# Do a little house keeping for testing
	if [ -d ./input_missing ]; then
	rm -fr ./input_missing
	fi
	if [ -d ./output_missing ]; then
	rm -fr ./output_missing
	fi
	# Empty out log file
	> ./test.log
	# Run all combinations of the tests
	for INPUT in ${POTENTIAL_INPUT[@]}; do
	reset
	echo -e ">>> Test configuration: './batch_resize.sh $INPUT'\n" >> ./test.log
	run $INPUT >> ./test.log
	echo -e "\nFinished.\n" >> ./test.log
	done
	for INPUT in ${POTENTIAL_INPUT[@]}; do
	for OUTPUT in ${POTENTIAL_OUTPUT[@]}; do
	reset
	echo -e ">>> Test configuration: './batch_resize.sh $INPUT $OUTPUT'\n" >> ./test.log
	run $INPUT $OUTPUT >> ./test.log
	echo -e "\nFinished.\n" >> ./test.log
	done
	done
	for INPUT in "${POTENTIAL_INPUT[@]}"; do
	for OUTPUT in "${POTENTIAL_OUTPUT[@]}"; do
	for SIZE in "${POTENTIAL_SIZES[@]}"; do
	reset
	echo -e ">>> Test configuration: './batch_resize.sh $INPUT $OUTPUT \"$SIZE\"'\n" >> ./test.log
	run $INPUT $OUTPUT $SIZE >> ./test.log
	echo -e "\nFinished.\n" >> ./test.log
	done
	done
	done
	}

	# Let's do it!
	if [ "$1" == "test" ]; then
	echo -e "You can find the test results in ./test.log"
	test
	else
	run "$@"
	fi

	# Time to say good-bye
	quit