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Full Discussion: Filering records based on date listed in the file
Top Forums Shell Programming and Scripting Filering records based on date listed in the file Post 302307300 by abb on Wednesday 15th of April 2009 04:45:12 AM
Old 04-15-2009
For example:

If a file FILE1 has following data:

abcd:02/01/2009:sdfsdf
qwwqwra:11/03/2008:efrdas
adfsd:05/01/2008:edfrweio
qwee:01/03/2009:erweiuer
asdfsda:04/14/2009:xg8xzcv

Then I need the new file FILE2 to have:

abcd:02/01/2009:sdfsdf
qwee:01/03/2009:erweiuer
asdfsda:04/14/2009:xg8xzcv

Two records are removed as they have a date which is less than [Current date (2009-04-15) - 6 months].
 

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LEARN ABOUT OPENSOLARIS

fwtmp

fwtmp(1M)						  System Administration Commands						 fwtmp(1M)

NAME

       fwtmp, wtmpfix - manipulate connect accounting records

SYNOPSIS

       /usr/lib/acct/fwtmp [-ic]

       /usr/lib/acct/wtmpfix [file]...

DESCRIPTION

       fwtmp  reads  from  the	standard input and writes to the standard output, converting binary records of the type found in /var/adm/wtmpx to
       formatted ASCII records. The ASCII version is useful when it is necessary to edit  bad records.

       wtmpfix examines the standard input or named files in utmpx format, corrects the time/date stamps  to  make  the  entries  consistent,  and
       writes  to  the standard output. A hyphen (-) can be used in place of file to indicate the standard input. If time/date corrections are not
       performed, acctcon(1M) will fault when it encounters certain date-change records.

       Each time the date is set, a pair of date change records are written to /var/adm/wtmpx. The first record is the old  date  denoted  by  the
       string  "old time" placed in the line field and the flag OLD_TIME placed in the type field of the utmpx structure. The second record speci-
       fies the new date and is denoted by the string new time placed in the line field and the flag NEW_TIME placed in the  type  field.  wtmpfix
       uses these records to synchronize all time stamps in the file.

       In addition to correcting time/date stamps, wtmpfix will check the validity of the name field to ensure that it consists solely of alphanu-
       meric characters or spaces. If it encounters a name that is considered invalid, it will change the login name to INVALID and write a  diag-
       nostic to the standard error. In this way, wtmpfix reduces the chance that acctcon will fail when processing connect accounting records.

OPTIONS

       -ic    Denotes that input is in ASCII form, and output is to be written in binary form.

FILES

       /var/adm/wtmpx	 history of user access and administration information

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWaccu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       acctcom(1),  ed(1),  acct(1M),  acctcms(1M),  acctcon(1M),  acctmerg(1M),  acctprc(1M),	acctsh(1M),  runacct(1M),  acct(2), acct.h(3HEAD),
       utmpx(4), attributes(5)

SunOS 5.11							    22 Feb 1999 							 fwtmp(1M)
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