Sort history by most used commands, can optionally print n lines (e.g. histrank [n])

histrank

# Sort history by most used commands, can optionally print n lines (e.g. histrank [n])
histrank() { 
  HISTTIMEFORMAT="%y/%m/%d %T " history \
    | awk '{out=$4; for(i=5;i<=NF;i++){out=out" "$i}; print out}' \
    | sort \
    | uniq -c \
    | sort -nk1 \
    | tail -n "${1:-$(tput lines)}"
}