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Full Discussion: How to find null column?
Top Forums Shell Programming and Scripting How to find null column? Post 302883887 by ken6503 on Thursday 16th of January 2014 02:17:54 PM
Old 01-16-2014
How to find null column?

hi Gurus,

I need find the null column in a file.
my file like below
Code:
abc, ,cde,def
abc,ded,cdd,def
abc, ,ddd,ccd
aaa,bbb,ccc,ddd

basic, I need to find the lines which second column is null

Thanks in advance
 

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ECACCESS-EVENT-GRANT(1p)				User Contributed Perl Documentation				  ECACCESS-EVENT-GRANT(1p)

NAME
ecaccess-event-grant - Grant usage of an ECaccess Event SYNOPSIS
ecaccess-event-grant -version|-help|-manual ecaccess-event-grant [-debug] [-subscribe] [-notify] event-id user-list DESCRIPTION
Allow managing the Event permissions for a list of user(s). The permissions can be either subscribe, notify, both or none. In order to remove permissions to an Event for a list of users use this command with no -subscribe and -notify options. ARGUMENTS
event-id The identifier of the Event to grant. user-list The user(s) to give/remove the permissions. Multiple users should be separated by a column (e.g. abc,def). OPTIONS
-subscribe The user(s) specified in the user-list will be allowed to subscribe to the event-id (e.g. with the -eventIds option of the ecaccess-job-submit command). -notify The user(s) specified in the user-list will be allowed to send notifications to the event-id (e.g. with the ecaccess-event-send command). -version Display version number and exits. -help Print a brief help message and exits. -manual Prints the manual page and exits. -debug Display the SOAP messages exchanged. EXAMPLES
ecaccess-event-grant -subscribe 167 abc,def,jhi Allow the users abc, def and jhi to subscribe to this Event. ecaccess-event-grant 167 jkl Remove all rights to the Event for the user jkl. SEE ALSO
ecaccess-event-clear, ecaccess-event-delete, ecaccess-event-send, ecaccess-event-list, ecaccess-event-create and ecaccess. perl v5.14.2 2012-04-16 ECACCESS-EVENT-GRANT(1p)
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