m() { printf "$pre %s\n" "$*"; "$@"; }
e() { printf "$pre %s\n" "$*"; }
err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $0: $*" >&2; }
m() { printf "$pre %s\n" "$*"; "$@"; }
e() { printf "$pre %s\n" "$*"; }
err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $0: $*" >&2; }