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Full Discussion: awk - change date format
Top Forums Shell Programming and Scripting awk - change date format Post 302760965 by vegasluxor on Friday 25th of January 2013 01:15:03 AM
Old 01-25-2013
Quote:
Originally Posted by posix
Check this one
Code:
echo 9/8/2013 | awk -F/ '{printf "%s%02s%02s\n", $3, $2, $1}'

Worked! thanks a lot Smilie

---------- Post updated at 01:15 AM ---------- Previous update was at 12:35 AM ----------

I am not able to use awk for this, can anyone please help?

input csv file record (there will be 50k records in one file)

number, number, date time, number
123456789,98765432,9/8/2012 3:00,1

Need output:
date , time , number , number, number
20130809,030000,123456789,98765432,1

Need to convert date and time and put it in first position. How do i do it? Please advise. Thanks.
 

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LEARN ABOUT X11R4

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)

       System Administration Guide: Basic Administration

SunOS 5.10							    22 Feb 1999 							 fwtmp(1M)
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