#!/bin/sh
# Count entries in a given set of directories
for dir in "${@:-.}" ; do

    # Warn if a non-directory was given, flag errors, but continue
    if ! [ -d "$dir" ] ; then
        printf >&2 'cf: %s: not a directory\n' "$dir"
        ex=1
        continue
    fi

    # Add files matching glob, shift them off if unexpanded (first and only
    # entry doesn't exist)
    set -- "$dir"/*
    [ -e "$1" ] || shift

    # Add dot files, shift off the "." and ".." entries (sh(1) implementations
    # seem to vary on whether they include these)
    set -- "$dir"/.* "$@"
    [ -e "$1" ] || shift
    [ "$1" = "$dir"/. ] && shift
    [ "$1" = "$dir"/.. ] && shift

    # Print number of parameters
    printf '%u\t%s\n' "$#" "$dir"
done

# Exit non-zero if a non-directory was given as an argument
exit "${ex:-0}"