02-19-2008
How to grep this pattern??
Hi All,
I have a file like this, from this file I want to grep only this "package com.att.com;".... even though spaces are present at starting of the line.
i.e., the o/p should ignore these two lines from the file :
[space] [space] asdasdasd package ; ignore this line
[space] asdasdasd adsfkl90-9-0 package c.com; ignore this line also
Here it is the file content :
------------------------
package com.att.com;
[space] package com.att.com;
[double space] package com.att.com;
[space] package com.att.com;
[space] [space] package com.att.com;
package com.att.com;
package com.att.com;
package com.att.com;
package com.att.com;
[space] [space] asdasdasd package ; ignore this line
[space] asdasdasd adsfkl90-9-0 package c.com; ignore this line also
package com.att.com;
------------------------
thanks,
saravana
Last edited by askumarece; 02-19-2008 at 02:22 PM..
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depend(4) File Formats depend(4)
NAME
depend - software dependencies file
DESCRIPTION
depend is an ASCII file used to specify information concerning software dependencies for a particular package. The file is created by a
software developer.
Each entry in the depend file describes a single software package. The instance of the package is described after the entry line by giving
the package architecture and/or version. The format of each entry and subsequent instance definition is:
type pkg name
(arch)version
(arch)version
...
The fields are:
type Defines the dependency type. Must be one of the following characters:
P Indicates a prerequisite for installation; for example, the referenced package or versions must be installed.
I Implies that the existence of the indicated package or version is incompatible.
R Indicates a reverse dependency. Instead of defining the package's own dependencies, this designates that another
package depends on this one. This type should be used only when an old package does not have a depend file, but
relies on the newer package nonetheless. Therefore, the present package should not be removed if the designated
old package is still on the system since, if it is removed, the old package will no longer work.
pkg Indicates the package abbreviation.
name Specifies the full package name.
(arch)version Specifies a particular instance of the software. A version name cannot begin with a left parenthesis. The instance specifi-
cations, both (arch) and version, are completely optional, but each (arch)version pair must begin on a new line that begins
with white space. A null version set equates to any version of the indicated package.
EXAMPLES
Example 1: Sample of depend file
Here are the contents of a sample depend file, for the SUNWftpr (FTP Server) package, stored in /var/sadm/pkg/SUNWftpr/install:
P SUNWcar Core Architecture, (Root)
P SUNWkvm Core Architecture, (Kvm)
P SUNWcsr Core Solaris, (Root)
P SUNWcsu Core Solaris, (Usr)
P SUNWcsd Core Solaris Devices
P SUNWcsl Core Solaris Libraries
R SUNWftpu FTP Server, (Usr)
SEE ALSO
pkginfo(4)
Application Packaging Developer's Guide
SunOS 5.10 4 Oct 1996 depend(4)