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Full Discussion: awk display the match and 2 lines after the match is found.
Top Forums UNIX for Dummies Questions & Answers awk display the match and 2 lines after the match is found. Post 302595335 by eurouno on Thursday 2nd of February 2012 08:10:06 PM
Old 02-02-2012
awk display the match and 2 lines after the match is found.
Hello, can someone help me how to find a word and 2 lines after it and then send the output to another file.
For example, here is myfile1.txt. I want to search for "Error" and 2 lines below it and send it to myfile2.txt
I tried with grep -A but it's not supported on my system.
I tried with awk, but I am not getting the first line displayed.

Here is myfile1.txt


**My Program Erorr ddmmyy hh:mm:ss My Program Error
**Port 123 terminated
**ID PIN 12345
Comamnd Successful
Command Terminated
Command Successful
Command Terminated
**My Program Erorr ddmmyy hh:mm:ss My Program Error
**Port 345 terminated
**ID PIN 67890
Comamnd Successful
Command Terminated
Command Successful
Command Terminated
**My Program Erorr ddmmyy hh:mm:ss My Program Error
**Port 678 terminated
**ID PIN 13579
Comamnd Successful
Command Terminated
Command Successful
Command Terminated


After I ran awk 'c-->3;/Error/{c=5}' myfile1.txt > myfile2.txt i get this

**Port 123 terminated
**ID PIN 12345
**Port 345 terminated
**ID PIN 67890
**Port 678 terminated
**ID PIN 13579

I want these lines to be displayed, but I want the line with the error in it, too.

so myfile2.txt should look like this:


**My Program Erorr ddmmyy hh:mm:ss My Program Error
**Port 123 terminated
**ID PIN 12345
**My Program Erorr ddmmyy hh:mm:ss My Program Error
**Port 345 terminated
**ID PIN 67890
**My Program Erorr ddmmyy hh:mm:ss My Program Error
**Port 678 terminated
**ID PIN 13579

What am I doing wrong?

Thank you
 

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LEARN ABOUT FREEBSD

hcsecd.conf

HCSECD.CONF(5)						      BSD File Formats Manual						    HCSECD.CONF(5)

NAME

     hcsecd.conf -- hcsecd(8) configuration file

DESCRIPTION

     The hcsecd.conf file is the configuration file for the hcsecd(8) Bluetooth link keys/PIN codes management daemon.

     The hcsecd.conf file is a free-form ASCII text file.  It is parsed by the recursive-descent parser built into hcsecd(8).  The file may con-
     tain extra tabs and newlines for formatting purposes.  Keywords in the file are case-sensitive.  Comments may be placed anywhere within the
     file (except within quotes).  Comments begin with the '#' character and end at the end of the line.

FILE FORMAT

     The hcsecd.conf file consists of a list of device entries.  Each device entry defines a link key or PIN code for a remote Bluetooth device.
     Each remote Bluetooth device is identified by its unique BD_ADDR.

     The device entry

     device { option argument; [option argument;] }

     The following section describes all supported options and arguments.

     bdaddr BD_ADDR
	     Specify remote device BD_ADDR for the entry.

     name device_name
	     Specify user friendly name for the entry.	Name is a string in straight double quotes.

     key link_key
	     Specify link key for the entry.  Link key is hexadecimal string up to 32 characters in length starting with '0x'.

     key nokey
	     Specify no link key for the entry.

     pin PIN_code
	     Specify PIN code for the entry.  PIN code is a string up to 16 characters in length in straight double quotes.

     pin nopin
	     Specify no PIN code for the entry.

EXAMPLES

     A sample hcsecd.conf file:

     # Default entry is applied if no better match found
     # It MUST have 00:00:00:00:00:00 as bdaddr
     device {
	     bdaddr  00:00:00:00:00:00;
	     name    "Default entry";
	     key     nokey;
	     pin     nopin;
     }

     # Ericsson T68 phone
     device {
	     bdaddr  00:80:37:5e:4d:d4;
	     name    "Ericsson T68 phone";
	     key     nokey;
	     pin     "0000"; # PIN code
     }

     # Dummy device
     device {
	     bdaddr  00:11:22:33:44:55;
	     name    "Dummy";
	     key     0x00112233445566778899aabbccddeeff; # 16 bytes key
	     pin     nopin;
     }

SEE ALSO

     hcsecd(8)

AUTHORS

     Maksim Yevmenkin <m_evmenkin@yahoo.com>

BSD
								   May 26, 2003 							       BSD
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