Camera Script

take-snapshot.sh

#!/bin/sh

SNAPSHOT_NUMBER=$1
DELAY_SECONDS=$2
DATA_DIRECTORY=$3
SNAPSHOT_DIRECTORY=$4
SNAPSHOT_FILENAME=$5
SNAPSHOT_FULL_PATH=$6

if [ ! -d "${SNAPSHOT_DIRECTORY}" ];
then
  echo "Creating directory: ${SNAPSHOT_DIRECTORY}"
  mkdir -p "${SNAPSHOT_DIRECTORY}"
fi

sudo gphoto2 --capture-image-and-download --filename "${SNAPSHOT_FULL_PATH}"

if [ ! -f "${SNAPSHOT_FULL_PATH}" ];
then
  echo "The snapshot was not found in the expected directory: '${SNAPSHOT_FULL_PATH}'." >&2 
  exit 1
fi