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Full Discussion: append following lines to 1st line, every 3 lines
Top Forums UNIX for Dummies Questions & Answers append following lines to 1st line, every 3 lines Post 302667577 by MaindotC on Friday 6th of July 2012 12:36:17 PM
Old 07-06-2012
Quote:
Originally Posted by jayan_jay
Code:
$ paste - - - < infile
USER_ID 12/31/69 19:00:00       12/31/69 19:00:00
USER_ID 12/31/69 19:00:00       12/31/69 19:00:00
USER_ID 12/31/69 19:00:00       12/31/69 19:00:00
USER_ID 12/31/69 19:00:00       12/31/69 19:00:00
$

Thanks, jay. I was unaware of the paste command. I was man -k "append" but if I had used the keyword "merge" I would have found it. I'm still dissecting bakunin's explanation.
 

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LEARN ABOUT MINIX

paste

PASTE(1)						      General Commands Manual							  PASTE(1)

NAME

       paste - paste multiple files together

SYNOPSIS

       paste [-s] [-d list] file...

OPTIONS

       -d     Set delimiter used to separate columns to list.

       -s     Print files sequentially, file k on line k.

EXAMPLES

       paste file1 file2   # Print file1 in col 1, file2 in col 2

       paste -s f1 f2	   # Print f1 on line 1 and f2 on line 2

       paste -d : file1 file2
			   # Print the lines separated by a colon

DESCRIPTION

       Paste  concatenates  corresponding  lines of the given input files and writes them to standard output. The lines of the different files are
       separated by the delimiters given with the option -s. If no list is given, a tab is substituted for every linefeed, except  the	last  one.
       If  end-of-file	is hit on an input file, subsequent lines are empty.  Suppose a set of k files each has one word per line.  Then the paste
       output will have k columns, with the contents of file j in column j.  If the -s flag is given, then the first file is on line 1, the second
       file on line 2, etc.  In effect, -s turns the output sideways.

       If  a list of delimiters is given, they are used in turn.  The C escape sequences 
, 	, \, and  are used for linefeed, tab, backslash,
       and the null string, respectively.

																	  PASTE(1)
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