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Full Discussion: Replacing first word while extracting
Top Forums Shell Programming and Scripting Replacing first word while extracting Post 302847907 by MR.bean on Wednesday 28th of August 2013 04:39:09 AM
Old 08-28-2013
Code:
bash-3.2$ awk 'BEGIN{x=1} /DEFINE SCHEMA/,/\)\;/ {if (NF==2) { $1="t"x" as filler"; print; x++ }}' filename

Code:
BEGIN{x=1}

Assign x with value "1". Then goes through the file.

Code:
/DEFINE SCHEMA/,/\)\;/

If it is within "DEFINE SCHEMA" and ");", it would be true (highlighted in red).

Code:
USING CHARACTER SET UTF8 DEFINE JOB 
 
(
 
DEFINE SCHEMA Flat_File_Schema
(
cntnt_id VARCHAR(10)
);
 
DEFINE OPERATOR o_mload
 TYPE update
 SCHEMA *

The if statement below looks for lines with 2 fields (highlighted in blue) and replaces $1 (field 1 which is cntnt_id) as "tX as filler" where X is then number "1". This would then be incremented by 1 using x++ after. X shall be "2" which will be used for later if we find the next match.

Code:
if (NF==2) { $1="t"x" as filler"; print; x++ }
 
DEFINE SCHEMA Flat_File_Schema
(
cntnt_id VARCHAR(10)
);

 

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LEARN ABOUT CENTOS

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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