This is a script to easily download realm database file from device and open it in realm browser app.

realm.sh

#!/bin/sh

PACKAGE_NAME="com.trax.retailexecution"
DB_NAME="$1"
OUT_DIR="$HOME/RealmDatabases"

# Check args
if [ -z "$DB_NAME" ]
then
	echo "usage ./realm.sh database_name"
	exit 1
fi

# Create folder for databases if not exists
mkdir -p "${OUT_DIR}"

# List available files on device
echo "\n\nAVAILABLE FILES:\n\n"

adb shell "run-as ${PACKAGE_NAME} ls files/"

echo "\n\n=================\n\n"

# Copy db file to sdcard
adb shell "
	run-as ${PACKAGE_NAME} chmod 666 files/${DB_NAME} &&
	mkdir -p /sdcard/${PACKAGE_NAME} &&
	rm -f /sdcard/${PACKAGE_NAME}/${DB_NAME} &&
	cp /data/data/${PACKAGE_NAME}/files/${DB_NAME} /sdcard/${PACKAGE_NAME}/${DB_NAME} &&
	run-as ${PACKAGE_NAME} chmod 600 files/${DB_NAME}
"

# Remove local copy of db
rm -f "${OUT_DIR}/${DB_NAME}.realm"

# Get db from device to local
adb pull "/sdcard/${PACKAGE_NAME}/${DB_NAME}" "${OUT_DIR}/${DB_NAME}.realm"

# Check realm browser installed
if [ ! -d "/Applications/Realm Browser.app/Contents/MacOS" ]; then
	echo "\n\nPlease install Realm Browser https://itunes.apple.com/il/app/realm-browser/id1007457278"
	exit 1
fi

# Run realm browser
/Applications/Realm\ Browser.app/Contents/MacOS/Realm\ Browser "${OUT_DIR}/${DB_NAME}.realm"

Don't forget to add export PATH=~/Library/Android/sdk/platform-tools:$PATH to your profile.