tuxdev_ 1261367660 learn val=$'foo\n'; time for ((i=0;i<50;++i)) ; do echo echo "$val" | tr -d '\n' > /dev/null ; done tuxdev_ 1261368351 forget tuxdev_ 1261368366 learn val=$'foo\n'; { time for ((i=0;i<50;++i)) ; do echo "$val" | tr -d '\n'; done >/dev/null; } 2> >(tr '\n\t' ' ')