emptydir

来自「android-w.song.android.widget」· 代码 · 共 29 行

#! /bin/bash
#
#Derived from:
#
#From: [e-mail] (Dan Mercer)
#Newsgroups: comp.unix.admin,comp.unix.shell,comp.unix.programmer,comp.sys.sun.admin
#Subject: Re: Command to find out if a directory is empty
#Date: 17 Aug 2000 14:35:56 GMT
#Message-ID: <8ngt8c$fmr$[e-mail]>

# usage: emptydir [dirname] ;  default dirname is "."

emptydir()
{
	typeset file dir=${1:-.}
	[[ -d $dir ]] || {
		echo "$FUNCNAME: $dir is not a directory" >&2
		return 2
	}
	for file in $dir/.* $dir/*
	do
		case ${file#$dir/} in
		.|..) ;;
		\*) [[ -e $file ]];let $?;return;;
		*) return 1;;
		esac
	done
}