.o

#!  bash
# shellcheck disable=SC2239

# shellcheck disable=SC2218
exec {_o_stderr}>&2
# shellcheck disable=SC2120
function exec { if (( $# )); then builtin exec {_o_stderr}>&- "$@"; else builtin exec "$@"; fi; }

if [[ -t $_o_stderr ]]; then _o_tput_bold=$(tput bold || :); _o_tput_reset=$(tput sgr0 || :); else _o_tput_bold=; _o_tput_reset=; fi
function o { printf -->&$_o_stderr "%s%s:%s%s\\n" "$_o_tput_bold" "${0##*/}" "$_o_tput_reset" "$(printf " %q" "$@")"; "$@"; }
function oo { printf -->&$_o_stderr "%s%s:%s %s\\n" "$_o_tput_bold" "${0##*/}" "$_o_tput_reset" "$*"; }