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Full Discussion: Need to add a date column (today's date) in file
Top Forums Shell Programming and Scripting Need to add a date column (today's date) in file Post 302834859 by vijay_rajni on Saturday 20th of July 2013 06:56:47 AM
Old 07-20-2013
Need to add a date column (today's date) in file
Hi

I have file with number status and date1 and date1 field,

want add a column today between column date1 and date2.

file1.txt

Code:
number status  date1  date2  
=====  ====   ===      ===== 
34567 open 27/06/13 28/06/13 
45678 open 27/06/13 28/06/13 
43567 open 27/06/13 28/06/13 
24578 open 28/06/13 28/06/13 
45890 open 28/06/13 28/06/13 
43599 open 27/06/13 28/06/13 
25578 open 28/06/13 28/06/13 
51890 open 28/06/13 28/06/13


desire file

Code:
number status  date1    today     date2  
=====  ====   ===  ==         ===== 
34567 open 27/06/13   20/7/13      28/06/13 
45678 open 27/06/13   20/7/13      28/06/13 
43567 open 27/06/13   20/7/13      28/06/13 
24578 open 28/06/13   20/7/13      28/06/13 
45890 open 28/06/13   20/7/13      28/06/13 
43599 open 27/06/13   20/7/13      28/06/13 
25578 open 28/06/13   20/7/13      28/06/13 
51890 open 28/06/13   20/7/13      28/06/13

 

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LEARN ABOUT HPUX

dup

dup(2)								System Calls Manual							    dup(2)

NAME

       dup - duplicate an open file descriptor

SYNOPSIS

DESCRIPTION

       fildes  is  a file descriptor obtained from a or system call.  returns a new file descriptor having the following in common with the origi-
       nal:

	      o  Same open file (or pipe).

	      o  Same file pointer (i.e., both file descriptors share one file pointer).

	      o  Same access mode (read, write or read/write).

	      o  Same file status flags (see fcntl(2),

       The new file descriptor is set to remain open across system calls.  See fcntl(2).

       The file descriptor returned is the lowest one available.

RETURN VALUE

       Upon successful completion, the file descriptor is returned as a non-negative integer.  Otherwise, a value of -1 is returned and is set	to
       indicate the error.

ERRORS

       fails if one or more of the following is true:

	      fildes	     is not a valid open file descriptor.

	      Request violates the maximum number of open file descriptors.

AUTHOR

       was developed by AT&T and HP.

SEE ALSO

       close(2), creat(2), dup2(2), exec(2), fcntl(2), open(2), pipe(2), privileges(5).

STANDARDS CONFORMANCE

																	    dup(2)
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