gp-download.sh

#!/bin/bash

SOURCE=/Volumes/Session0/DCIM
DEST=/Volumes/HomeVideo
DRY=$1

if [ ! -d "$SOURCE" ]; then
  echo "Source directory '$SOURCE' does not exist"
  exit 1
fi

if [ ! -d "$DEST" ]; then
  echo "Destination directory '$DEST' does not exist"
  exit 1
fi

if [ -z "$DRY" ]; then
  echo "################################################"
  echo "# DRY RUN ... Pass an argument to run for real #"
  echo "################################################"
  sleep 1
fi

find "$SOURCE" -type f \( -name "*.JPG" -or -name "*.MP4" \) -print0 | while IFS= read -r -d $'\0' FILE; do
  TIME=$(stat -f "%Sm" -t "%Y%m%d-%H%M%S" "$FILE")
  BASE=$(basename "$FILE")
  EXT="${BASE##*.}"
  RANDOM=$(( ( RANDOM % 10000 ) + 1 ))
  NEW="$DEST/$TIME-$RANDOM.$EXT"
  echo "Copying $FILE to $NEW"
  if [ ! -z "$DRY" ]; then
    rsync --progress "$FILE" "$NEW"
    if [ $? -ne 0 ]; then
      echo "An error occured when copying the file"
      exit 1
    fi
  fi
done