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Full Discussion: Extracting values based on line-column numbers from multiple text files
Top Forums Shell Programming and Scripting Extracting values based on line-column numbers from multiple text files Post 302960888 by Bastami on Saturday 21st of November 2015 03:57:01 AM
Old 11-21-2015
Extracting values based on line-column numbers from multiple text files
Dear All,
I have to solve the following problems with multiple tab-separated text file but I don't know how. Any help would be greatly appreciated. I have access to Linux mint (but not as a professional).
I have multiple tab-delimited files with the following structure:
file1:
Code:
1    44
2    56  46
3    90  56  43
4    32  32  23  49
5    43  56  45  34  48
6    35  32  56  41  42  43
7    38  32  23  12  56  32  67
8    78  32  45  45  12  45  45  45
9    23  45  45  34  43  34  12  23  234
10   45  62  56  44  77  54  33  78  890  432
11   12 43   21  34  54  43  56  54  543  546  65   
.
.

I have to do the following 2 task with these files:
Task1:
I want to pick up a specific value (based on line and column number) from each file and put it to another file (say Task1.txt). In Task1.txt I have defined that for each file I want the value in what line and what column and the value should be added to the next column of this file.
Task1.txt
Code:
FileName      lineNumber         ColumnNumber     value  
File1               5                  4           45
File2               7                   6            ?
File3               10                  9            ?
File4               67                  55           ?

Task2
For the same files I want to pick up all values of the second column for a range of lines and put them into the Task2.txt file. Here is the Task2.txt file:
Task2.txt
Code:
FileName   Line-start   line-end
File1          4             8         32     43     35     38     78
File2          67           80
File3          345          380
File4          48            54

It will be appreciated if you kindly help me to solve these issues.
Regards
 

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LEARN ABOUT OSX

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.

       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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