fwtmp man page on HP-UX

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fwtmp(1M)							     fwtmp(1M)

       fwtmp, wtmpfix - manipulate connect accounting records


       reads  from  the standard input and writes to the standard output, con‐
       verting binary records of the type found in to formatted ASCII records.
       The  ASCII  version is useful to enable editing, via ed(1), bad records
       or for general purpose maintenance of the file.

       The argument is used to denote that input is in ASCII form, and	output
       is  to  be  written in binary form.  The arguments and are independent,
       respectively specifying ASCII input and binary output.  Therefor, is an
       ASCII to ASCII copy and is a binary to binary copy.  should be used for
       reading If is not used, structure is read.

       examines the standard input or named  files  in	format,	 corrects  the
       time/date  stamps  to  make  the	 entries consistent, and writes to the
       standard output.	 A can be used in place of files to indicate the stan‐
       dard  input.   If  time/date  corrections are not performed, will fault
       when it encounters certain date-change records.

       Each time the date is set, a pair of date change records is written  to
       The  first record is the old date denoted by the string old time placed
       in the line field and the flag placed in the type field of  the	struc‐
       ture.   The second record specifies the new date, and is denoted by the
       string placed in the line field and the flag placed in the type	field.
       uses  these records to synchronize all time stamps in the file.	nulli‐
       fies date change records when writing to the standard output by setting
       the  time field of the structure in the old date change record equal to
       the time field in the new date change record.  This prevents  and  from
       factoring in a date change record pair more than once.

       In addition to correcting time/date stamps, wtmpfix checks the validity
       of the name field to ensure that it  consists  solely  of  alphanumeric
       characters  or  spaces.	 If  it	 encounters  a name that is considered
       invalid, it changes the login name to and writes a  diagnostic  to  the
       standard error.	This minimizes the risk that will fail when processing
       connect accounting records.

       wtmpfix generates the following diagnostics messages:

       generates no errors, even on garbage input.

       ed(1), acct(1M), acctcms(1M), acctcom(1M),  acctcon(1M),	 acctmerg(1M),
       acctprc(1M),   acctsh(1M),   runacct(1M),  acct(2),  acct(4),  utmp(4),


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