#!/usr/bin/env bash
# YES_ZSH
# YES_BASH
# NO_DASH

pause() {
    [ -n "${ZSH_VERSION:-}" ] \
      && read -sk '?Press any key to continue
'     || read -n1 -u 1 -sp 'Press any key to continue
'
}

[ "${SOURCING:-0}" -gt 0 ] || pause "$@"