rc/sh/dbusiest

#!/usr/bin/env zsh
# YES_ZSH
# NO_BASH
# NO_DASH
# NO_ASH

dbusiest() { ### @-
    ### list directories ordered descending by the number of files in them,
    ### counted recursively. see also [`cdbusiest`.](#cdbusiest)
    ###
    ### ```
    ### $ cd
    ### $ dbusiest | head -n3
    ### 152364 src
    ### 46518 work
    ### 20903 play
    ### ```
    [ $# -le 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
    local c d
    for d in *(FDN); do
        print $(find $d 2>/dev/null | wc -l) $d
    done | sort -nr | while read c d; do
        echo -E $c $d
    done
    [ -z $d ] && return 1
}

[ -n "${preload+-}" ] || dbusiest "$@"