alias hx="od -tx1 -Ax ""$@"
alias ox="od -to1 -Ao ""$@"
conv() {(
 umask 077
 f=$(mktemp ${TMPDIR:-/tmp}/tmc0.XXXXXX)
 trap "rm -f $f; kill -2 $$" INT TERM
 while [ $# -gt 0 ]; do
  if [ -f "$1" ]; then
   #echo '*'tmp $f
   <"$1" tr -d '\r'>$f
   cat $f>$1
  fi
  shift 1
 done
 rm -f $f
)}
i2b() {(
 [ $# -lt 1 ]&&{ echo 'i2b <hex-in> [<bin-out>]'; return 1;}
 if [ $# -gt 1 ];then o="$2"
 elif [ "${1%.*}" == "" ];then o=output.bin
 elif [ $# -lt 2 ];then o="${1%.*}.bin";fi
 objcopy -Iihex -Obinary "$1" "$o"
)}