04-08-2009
Hi Nirbhay
I think this "0" is the return from the system("cat add") command.
Try this:
awk '{ if ( NR == 5 ) { print system("cat add") 1>/dev/null } else { print }}' input
redirecting return code from system command to null.
Hope this helps.
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LEARN ABOUT LINUX
gnomevfs-cat
gnomevfs-cat(1) User Commands gnomevfs-cat(1)
NAME
gnomevfs-cat - print a file to standard output using the VFS system
SYNOPSIS
gnomevfs-cat URI
DESCRIPTION
gnomevfs-cat prints a file to standard output using the virtual file system to access the file via a URI.
OPERANDS
The following operands are supported:
URI Specifies the file location in standard URI format.
EXAMPLES
Example 1: Cat a File From a Web Server
example% gnomevfs-cat http://www.sun.com
Example 2: Cat a Local File
example% gnomevfs-cat file:///home/user/README.txt
ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables: NLSPATH.
EXIT STATUS
The exit value 0 is returned regardless of success or failure.
FILES
The following files are used by this application:
/usr/bin/gnomevfs-cat Executable to print a file to standard output using the VFS system
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWgnome-vfs |
+-----------------------------+-----------------------------+
|Interface stability |External |
+-----------------------------+-----------------------------+
SEE ALSO
gnomevfs-copy(1), gnomevfs-info(1), gnomevfs-ls(1), gnomevfs-mkdir(1)
NOTES
Written by Stephen Browne, Sun Microsystems Inc., 2004.
SunOS 5.10 6 Sep 2004 gnomevfs-cat(1)