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Full Discussion: Grab data between 2 keywords any do an array operation and write the file intact
Top Forums Shell Programming and Scripting Grab data between 2 keywords any do an array operation and write the file intact Post 302646303 by naveen@ on Friday 25th of May 2012 01:44:02 AM
Old 05-25-2012
Grab data between 2 keywords any do an array operation and write the file intact
Hi Unix Gurus,

I need to grep for a block that is between a start and end keyword and then in between I need to find and replace a keyword.

for eg: I need to search between
Code:
Test   = 000;

and
Code:
Test   = 000;

and find
Code:
K9

and replace with
Code:
M9

INPUT FILE

Code:
Define {
Replace  = K9;
Test      = 000;
Regular  = 00;
}
Define {
Replace  = K9;
Test      = 000;
Regular  = 00;
}
Define {
Replace  = K9;
Test      = 111;
Regular  = 00;
}
Define {
Replace  = K9;
Test      = 000;
Regular  = 00;
}
Define {
Replace  = K9;
Test      = 000;
Regular  = 00;
}

Require OUTPUT FILE
Code:
Define {
Replace  = K9;
Test      = 000;
Regular  = 00;
}
Define {
Replace  = M9;
Test      = 000;
Regular  = 00;
}
Define {
Replace  = K9;
Test      = 111;
Regular  = 00;
}
Define {
Replace  = K9;
Test      = 000;
Regular  = 00;
}
Define {
Replace  = M9;
Test      = 000;
Regular  = 00;
}

Appreciate your help
And thanks in advance
 

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LEARN ABOUT OPENSOLARIS

ckkeywd

ckkeywd(1)							   User Commands							ckkeywd(1)

NAME

       ckkeywd - prompts for and validates a keyword

SYNOPSIS

       ckkeywd [-Q] [-W width] [-d default] [-h help] [-e error]
	    [-p prompt] [-k pid [-s signal]] keyword [...]

DESCRIPTION

       ckkeywd prompts a user and validates the response. It defines, among other things, a prompt message whose response should be one  of a list
       of keywords, text for help and error messages, and a default value (which will be returned if the user responds with  a	carriage  return).
       The answer returned from this command must match one of the defined list of keywords.

       All messages are limited in length to 70 characters and are formatted automatically. Any white space used in the definition (including new-
       line) is stripped.  The -W option cancels the automatic formatting. When a tilde is placed at the beginning or end of a message definition,
       the default text will be inserted at that point, allowing both custom text and the default text to be displayed.

       If the prompt, help or error message is not defined, the default message (as defined under NOTES) will be displayed.

OPTIONS

       The following options are supported:

       -d default    Defines the default value as default. The default is not validated and so does not have to meet any criteria.

       -e error      Defines the error message as  error.

       -h help	     Defines the help messages as  help.

       -k pid	     Specifies that process  ID pid is to be sent a signal if the user chooses to abort.

       -p prompt     Defines the prompt message as prompt.

       -Q	     Specifies that quit will not be allowed as a valid response.

       -s signal     Specifies	that the process  ID pid defined with the -k option is to be sent signal  signal when quit is chosen. If no signal
		     is specified, SIGTERM is used.

       -W width      Specifies that prompt, help and error messages will be formatted to a line length of width.

OPERANDS

       The following operand is supported:

       keyword	  Defines the keyword, or list of keywords, against which the answer will be verified.

EXIT STATUS

       The following exit values are returned:

       0    Successful execution.

       1    EOF on input, or negative width on -W option, or no keywords from which to choose, or usage error.

       3    User termination (quit).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

NOTES

       The default prompt for ckkeywd is:

	 Enter appropriate value [keyword,[...],?,q]:

       The default error message is:

	 ERROR: Please enter one of the following keywords: keyword,[...],q

       The default help message is:

	 keyword,[...],q

       When the quit option is chosen (and allowed), q is returned along with the return code 3.

SunOS 5.11							    14 Sep 1992 							ckkeywd(1)
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