Awk to Count Records with not null Post: 302367449

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I have the following a.txt file A|1|2|3|4|5| A||2|3|0|| A|1|6||8|10| A|9|2|3|4|1| A|0|9|3|4|5| A||2|3|4|5| A|0|av|.9|4|9| I use the following command to count null values for 2nd field awk -F"|" '!$2 { N++; next } END {print N}' a.txt It should give the result 2, but it is giving...

LEARN ABOUT FREEBSD

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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exclude records with null fields

Discussion started by: praveenK_Dudala