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Full Discussion: How do I tell if a directory is empty?
Top Forums Shell Programming and Scripting How do I tell if a directory is empty? Post 302272335 by KenJackson on Tuesday 30th of December 2008 09:39:59 AM
Old 12-30-2008
How do I tell if a directory is empty?
To see if a directory is has anything in it, I do this:
Code:
if [ -n "$(ls /some/dir 2>/dev/null)" ]; then
    # do something
fi

But surely there is a more easy-to-read and elegant way. Isn't there?
 

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LEARN ABOUT XFREE86

slapd-null

SLAPD-NULL(5)							File Formats Manual						     SLAPD-NULL(5)

NAME

       slapd-null - Null backend to slapd

SYNOPSIS

       /etc/ldap/slapd.conf

DESCRIPTION

       The Null backend to slapd(8) is surely the most useful part of slapd:
       - Searches return success but no entries.
       - Compares return compareFalse.
       - Updates return success (unless readonly is on) but do nothing.
       - Binds other than as the rootdn fail unless the database option "bind on" is given.
       - The slapadd(8) and slapcat(8) tools are equally exciting.
       Inspired by the /dev/null device.

CONFIGURATION

       This slapd.conf option applies to the NULL backend database.  That is, it must follow a "database null" line and come before any subsequent
       "database" lines.  Other database options are described in the slapd.conf(5) manual page.

       bind <on/off>
	      Allow binds as any DN in this backend's suffix, with any password.  The default is "off".

EXAMPLE

       Here is a possible slapd.conf extract using the Null backend:

	      database null
	      suffix   "cn=Nothing"
	      bind     on

ACCESS CONTROL

       The null backend does not honor any of the access control semantics described in slapd.access(5).

FILES

       /etc/ldap/slapd.conf
	      default slapd configuration file

SEE ALSO

       slapd.conf(5), slapd(8), slapadd(8), slapcat(8).

OpenLDAP							    2012/04/23							     SLAPD-NULL(5)
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