#!/bin/sh -e

if [ -f "$__object/parameter/file" ]
then
    file="$( cat "$__object/parameter/file" )"
else
    file="/$__object_id"
fi

if [ -f "$file" ]
then
    if [ -s "$file" ]
    then
        cat "$file"
    else
        echo "$file is empty" >&2
        exit 1
    fi
else
    echo "$file do not exist" >&2
    exit 1
fi