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Full Discussion: awk Print New Column For Every Two Lines and Match On Multiple Column Values to print another column
Top Forums Shell Programming and Scripting awk Print New Column For Every Two Lines and Match On Multiple Column Values to print another column Post 302874227 by jacobs.smith on Thursday 14th of November 2013 01:05:49 PM
Old 11-14-2013
awk Print New Column For Every Two Lines and Match On Multiple Column Values to print another column
Hi,

My input files is like this

Code:
axis1 0 1 10
axis2 0 1 5
axis1 1 2 -4
axis2 2 3 -3
axis1 3 4 5
axis2 3 4 -1
axis1 4 5 -6
axis2 4 5 1

Now, these are my following tasks

1. Print a first column for every two rows that has the same value followed by a string.

2. Match on the fourth column for every two rows and if

a. Both values are positive, print another column saying z=0,color=pink for both rows.
b. Both values are negative, print another column saying z=0,color=violet for both rows.
c. If first is positive and second is negative, print another column saying z=0,color=yellow for both rows.
d. If first is negative and second is positive, print another column saying z=0,color=brown for both rows.

So, My final output will be

Code:
link1 axis1 0 1 10 z=0,color=pink
link1 axis2 0 1 5 z=0,color=pink
link2 axis1 1 2 -4 z=0,color=violet
link2 axis2 2 3 -3 z=0,color=violet
link3 axis1 3 4 5 z=0,color=yellow
link3 axis2 3 4 -1 z=0,color=yellow
link4 axis1 4 5 -6 z=0,color=brown
link4 axis2 4 5 1 z=0,color=brown

I was able to print the first column as a series but didn't get to know how to make two values the same and at two row intervals.
 

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set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

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       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)
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