Discard RecRun log output if stdout is empty

index.html

@@ -18,7 +18,7 @@
 RecAlert() { test "    ${REC_SEVERITY:-0}" -gt 700 2>/dev/null || echo "$*" | awk "{print   \"$(_recRFC3339) [\\033[0;41m    ALERT\\033[0m] \"\$0\"\"}" 1>&2; }
 RecEmergency() { test "${REC_SEVERITY:-0}" -gt 800 2>/dev/null || echo "$*" | awk "{print \"$(_recRFC3339) [\\033[0;1;41mEMERGENCY\\033[0m] \"\$0\"\"}" 1>&2; }
 RecExec() { RecInfo "$ $(_recCmd "$@")" && "$@"; }
-RecRun() { _dlm='####R#E#C#D#E#L#I#M#I#T#E#R####' _all=$({ _out=$("$@") && _rtn=$? || _rtn=$? && printf "\n%s" "${_dlm:?}${_out:-}" && return ${_rtn:-0}; } 2>&1) && _rtn=$? || _rtn=$? && _dlmno=$(echo "${_all:-}" | sed -n "/${_dlm:?}/=") && _cmd=$(_recCmd "$@") && _stdout=$(echo "${_all:-}" | tail -n +"${_dlmno:-1}" | sed "s/^${_dlm:?}//") && _stderr=$(echo "${_all:-}" | head -n "${_dlmno:-1}" | grep -v "^${_dlm:?}") && RecInfo "$ ${_cmd:-}" && RecInfo "${_stdout:-}" && { [ -z "${_stderr:-}" ] || RecWarning "${_stderr:-}"; } && return ${_rtn:-0}; }
+RecRun() { _dlm="####R#E#C#D#E#L#I#M#I#T#E#R####" _all=$({ _out=$("$@") && _rtn=$? || _rtn=$? && printf "\n%s" "${_dlm:?}${_out:-}" && return ${_rtn:-0}; } 2>&1) && _rtn=$? || _rtn=$? && _dlmno=$(echo "${_all:-}" | sed -n "/${_dlm:?}/=") && _cmd=$(_recCmd "$@") && _stdout=$(echo "${_all:-}" | tail -n +"${_dlmno:-1}" | sed "s/^${_dlm:?}//") && _stderr=$(echo "${_all:-}" | head -n "${_dlmno:-1}" | grep -v "^${_dlm:?}") && RecInfo "$ ${_cmd:-}" && { [ -z "${_stdout:-}" ] || RecInfo "${_stdout:?}"; } && { [ -z "${_stderr:-}" ] || RecWarning "${_stderr:?}"; } && return ${_rtn:-0}; }
 # export functions for bash
 # shellcheck disable=SC3045
 echo "${SHELL-}" | grep -q bash$ && export -f _recRFC3339 _recCmd RecDefault RecDebug RecInfo RecWarning RecError RecCritical RecAlert RecEmergency RecExec RecRun