dualbus 1342423263 learn # { <$(echo $RANDOM >&3); } 3>&2 2>&-
ormaaj 1370211030 forget
ormaaj 1370211050 learn # 3>&1 2>/dev/null <$(echo $RANDOM >&3)
ormaaj 1472262510 forget
ormaaj 1472262616 learn 42# <$(echo "$RANDOM" >&2)
ormaaj 1730896756 forget
ormaaj 1730896796 learn 42# 2>/dev/null 3<&1 <$(printf '%s ' "$RANDOM" >&3) # bug found by dualbus