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Full Discussion: Need help with a script
Top Forums Shell Programming and Scripting Need help with a script Post 302938583 by Yagobg on Tuesday 17th of March 2015 04:07:59 PM
Old 03-17-2015
Linux Need help with a script

Hi All,

First, Thank you for your time and help.

Regarding the script. I need to compare two numerical values from a text file and if A<B write "1" to specific column location in the file(call this group variable). When A>B write "2" to specific column location. Every time the condition A>B is meet increment the Group value (+1).

Here is a part of the file hope this helps:
Values to be compared )in red ------------------------ Group variable (in green)
Code:
sc_2600                                                        1637.00   516418.17  2876882.65  10547.8604       1
sc_2600                                                        1637.20   516428.97  2876888.87  10547.0000       1
sc_2600                                                       11106.80  1016594.53  3193390.21   4565.5098      2
sc_2600                                                       11107.00  1016605.07  3193397.00   4565.1699      2
sc_2600                                                       11107.20  1016615.65  3193403.82   4563.9702      2

The values in red have to be compared line by line and if A<B is true write "1", once A>B is encountered increment(+1) the A<B "group value".

Is this achievable in bash script?
The way I see things and correct me if wrong.
1. Assign line 1 value from specific column to variable "A"
2. Assign line 2 value from specific column to variable "B"
3. Compare if A<B write group value of X (x =1) to specific column location.
4. if A>B X=X+1

Thanks

Moderator's Comments:
Mod Comment Please use code tags next time for your code and data, thanks

Last edited by vbe; 03-17-2015 at 05:49 PM..
 

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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. Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator. 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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