examine_google-landmark_resolutions.sh

#!/bin/bash

SUB_DIRECTORY_LIST=(0 1 2 3 4 5 6 7 8 9 a b c d e f)

if [ $# -ne 2 ]; then
    echo 'Usage: sh ./this_file.sh {target_directory} {output_file_path}'
    exit 1
fi

BASE_DIRECTORY=$(cd ${1} && pwd)
OUTPUT_FILE=${2}
cd $BASE_DIRECTORY

for sub_directory in ${SUB_DIRECTORY_LIST[@]}; do
    cd ${BASE_DIRECTORY}/${sub_directory}
    for sub_sub_directory in ${SUB_DIRECTORY_LIST[@]}; do
        cd ${BASE_DIRECTORY}/${sub_directory}/${sub_sub_directory}
        for image in *.jpg; do
            image_information=`identify -precision 16 -format "%w,%h,%B" $image`
            echo "\"${BASE_DIRECTORY}/${sub_directory}/${sub_sub_directory}/${image}\",${image_information}" >> $OUTPUT_FILE
        done
    done
done

run_examine_google-landmark_resolutions.sh

#!/bin/bash

TRAIN=/path/to/google-landmark/train
OUTPUT=/path/to/output

cd ${TRAIN}
ls . | parallel --jobs 16 -a - sh examine_google-landmark_resolutions.sh {} ${OUTPUT}/{}.csv