Unload photos from flash card, reduce JPGs to roughly HD size, and apply watermarks; requires imagemagick; assumes OSX bash shell environment

unloadshots.sh

#!/bin/bash

if test -f ~/.unloadshots
then
  . ~/.unloadshots   # Environment
fi

SOURCEMEDIAFOLDER=${UNLOADMEDIAFOLDER:-/Volumes/Untitled/DCIM}
TARGETMEDIAFOLDER=${LOADMEDIAFOLDER:-~/Pictures}
WATERMARK=${LOADWATERMARK:-© 2014 by Mitch C. Amiano}

if [[ ! -d ${SOURCEMEDIAFOLDER} ]]
then
  echo "Arggggghhh... there is no folder at ${SOURCEMEDIAFOLDER}. You need to plug a card in or change \$UNLOADMEDIAFOLDER. Bailing out."
  exit 1
fi

echo "Unloading camera shots. Please select source folder on media card (enter the number):"

select folder in $(/bin/ls -d ${SOURCEMEDIAFOLDER}/*/) "Quit"
do
  if [[ ${folder} = "Quit" || ${folder} = "" ]]
  then
    echo "OK, Quitting." >&2
    exit
  fi

  if [[ ! -z "$folder" ]]
  then
    location=$folder
    break
  else
    echo "That selection is not a folder. Quitting..." >&2
    exit 1
  fi
done

echo "Loading photos"

# make a name out of the original media folder name, with the last modification date tacked on to disambigute potential folder name clashes
lastmoddate=$(stat -f "%Sm"| cut -d " " -f1,2,4 | /usr/bin/sed 's/[ ]/_/g')

target=${TARGETMEDIAFOLDER}/$(basename ${location%/}).${lastmoddate}

if [[ -d ${target} ]]
then
  echo "Target folder ${target} exists already. Rename or remove it first. Bailing out!" >&2
  exit
fi

mkdir -p ${target}
cd ${target}

echo "Copying all source photos..."
cp ${location}* .

mkdir -p small
echo "Scaling JPG shots to moderate resolution 1920x? versions..."
sips -Z 1920 ./DSC_*.JPG --out small 2>/dev/null 1>/dev/null &

cd small

echo "Stamping copyright watermark on the moderate resolution versions..."
mkdir copy

function getposition() {
  positions=(northwest northeast southwest southeast center)
  placeat=${positions[$RANDOM % ${#positions[@]} ]}
  echo $placeat
}

find . -name "*.JPG" -type f | while read file
do
  convert $file -pointsize 48\
  -font Palatino-Bold -stroke 'rgba(255,255,255,0.10)' -fill 'rgba(0,0,0,0.15)'\
  -gravity $(getposition)\
  -annotate +200+200 "${WATERMARK}" -fill 'rgba(200,200,200,0.1)'\
  -annotate +199+199 "${WATERMARK}"\
  copy/$file
done

echo "Imported to $target"

exit