#!/usr/bin/env bash

set -x
echo "$@" 1>&2

if test "$#" != 0; then
    echo "Usage: sha256sum(pdb) < PATH" 1>&2
    exit 2
fi

case "$OSTYPE" in
    darwin*) exec shasum -a 256 "$@" ;;
    *) exec sha256sum "$@" ;;
esac
