a.sh

# Execution part {{{
_s_is_exec=1
_sf_check_args_first () { # {{{
  while [ $# -gt 0 ];do
    case $1 in
      "-h"|"-N"|"-m"|"-p"|"-F"|"-v" ) _s_is_exec=2;shift;;
      "-n" ) _s_is_exec=0;shift;;
      "-c" ) _SENTAKU_CHILD=1;shift;;
    * )break;;
    esac
  done
} # }}}

_sf_check_args_first "$@"

# Execute if stdin is available, or any of help/file/push is on
if [ $_s_is_exec -ne 0 ];then
  if [ -p /dev/stdin ] || [ $_s_is_exec -eq 2 ];then
    _sf_main "$@"
  fi
fi

# Clean up
unset _s_is_exec
# }}}