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Full Discussion: output - tab formatted - awk
Top Forums Shell Programming and Scripting output - tab formatted - awk Post 302375307 by radoulov on Friday 27th of November 2009 07:13:35 AM
Old 11-27-2009
Assuming the header lines are only for clarity:

Code:
awk '{ 
  for (i=1; i<NF; i++) 
    printf "%s", abs($i - $(i+1)) \
      (i == NF - 1 ? RS : "\t")
    }
  func abs(x) { return x < 0 ? -x : x }
  ' infile

Otherwise:

Code:
awk 'NR == 1 { 
  for (i=1; i<NF; i++) 
    printf "Col_%dnew%s", i, i == NF - 1 ? RS : "\t"
	next 
	}
{ 
  for (i=1; i<NF; i++) 
    printf "%s", abs($i - $(i+1)) (i == NF - 1 ? RS : "\t")
	}
  func abs(x) { return x < 0 ? -x : x }
  ' infile

 

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LEARN ABOUT OSX

column

COLUMN(1)						    BSD General Commands Manual 						 COLUMN(1)

NAME

     column -- columnate lists

SYNOPSIS

     column [-tx] [-c columns] [-s sep] [file ...]

DESCRIPTION

     The column utility formats its input into multiple columns.  Rows are filled before columns.  Input is taken from file operands, or, by
     default, from the standard input.	Empty lines are ignored.

     The options are as follows:

     -c      Output is formatted for a display columns wide.

     -s      Specify a set of characters to be used to delimit columns for the -t option.

     -t      Determine the number of columns the input contains and create a table.  Columns are delimited with whitespace, by default, or with
	     the characters supplied using the -s option.  Useful for pretty-printing displays.

     -x      Fill columns before filling rows.

ENVIRONMENT

     The COLUMNS, LANG, LC_ALL and LC_CTYPE environment variables affect the execution of column as described in environ(7).

EXIT STATUS

     The column utility exits 0 on success, and >0 if an error occurs.

EXAMPLES

	   (printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ; 
	   printf "HH:MM/YEAR NAME
" ; 
	   ls -l | sed 1d) | column -t

SEE ALSO

     colrm(1), ls(1), paste(1), sort(1)

HISTORY

     The column command appeared in 4.3BSD-Reno.

BUGS

     Input lines are limited to LINE_MAX (2048) bytes in length.

BSD
								   July 29, 2004							       BSD
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