02-21-2006
Grep
When searching for "text" in a file,
I would like to see the line containing "text"
and the line preceeding
and the line after
So I would like a 3 line output for each line matched by grep
Is there a quick way to accomplish this?
Example--
FILE.DAT contains
abcdef
123456789
xyz
hijklmnop
987654321
I would like the search for "xyz" to yield results such as:
FILE.DAT:2: 123456789
FILE.DAT:3: xyz
FILE.DAT:4: hijklmnop
Any suggestions?
A Tagore
atagore2@juno.com
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LEARN ABOUT SUNOS
dat_rsp_create
dat_rsp_create(3DAT) Direct Access Transport Library Functions dat_rsp_create(3DAT)
NAME
dat_rsp_create - create a Reserved Service Point
SYNOPSIS
cc [ flag... ] file... -ldat [ library... ]
#include <dat/udat.h>
DAT_RETURN
dat_rsp_create (
IN DAT_IA_HANDLE ia_handle,
IN DAT_CONN_QUAL conn_qual,
IN DAT_EP_HANDLE ep_handle,
IN DAT_EVD_HANDLE evd_handle,
OUT DAT_RSP_HANDLE *rsp_handle
)
PARAMETERS
ia_handle Handle for an instance of DAT IA.
conn_qual Connection Qualifier of the IA the Reserved Service Point listens to.
ep_handle Handle for the Endpoint associated with the Reserved Service Point that is the only Endpoint that can accept a Connection
Request on this Service Point. The value DAT_HANDLE_NULL requests the Provider to associate a Provider-created Endpoint
with this Service Point.
evd_handle The Event Dispatcher to which an event of Connection Request arrival is generated.
rsp_handle Handle to an opaque Reserved Service Point.
DESCRIPTION
The dat_rsp_create() function creates a Reserved Service Point with the specified Endpoint that generates, at most, one Connection Request
that is delivered to the specified Event Dispatcher in a Notification event.
RETURN VALUES
DAT_SUCCESS The operation was successful.
DAT_INSUFFICIENT_RESOURCES The operation failed due to resource limitations.
DAT_INVALID_HANDLE The ia_handle, evd_handle, or ep_handle parameter is invalid.
DAT_INVALID_PARAMETER The conn_qual parameter is invalid.
DAT_INVALID_STATE Parameter in an invalid state. For example, an Endpoint was not in the Idle state.
DAT_CONN_QUAL_IN_USE Specified Connection Qualifier is in use.
USAGE
The usage of a Reserve Service Point is as follows:
o The DAT Consumer creates a Local Endpoint and configures it appropriately.
o The DAT Consumer creates a Reserved Service Point specifying the Local Endpoint.
o The Reserved Service Point performs the following:
o Collects native transport information reflecting a received Connection Request.
o Creates a Pending Connection Request.
o Creates a Connection Request Notice (event) that includes the Pending Connection Request (which includes, among others, Reserved
Service Point Connection Qualifier, its Local Endpoint, and information about remote Endpoint).
o Delivers the Connection Request Notice to the Consumer-specified target (CNO) evd_handle. The Local Endpoint is transitioned from
Reserved to Passive Connection Pending state.
o Upon receiving a connection request, or at some time subsequent to that, the DAT Consumer must either accept() or reject() the Pending
Connection Request.
o If accepted, the original Local Endpoint is now in a Connected state and fully usable for this connection, pending only native trans-
port mandated RTU messages. This includes binding it to the IA port if that was not done previously. The Consumer is notified that the
Endpoint is in a Connected state by a Connection Established Event on the Endpoint connect_evd_handle.
o If rejected, the Local Endpoint point transitions into Unconnected state. The DAT Consumer can elect to destroy it or reuse it for
other purposes.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard: uDAPL, 1.1, 1.2 |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO
libdat(3LIB), attributes(5)
SunOS 5.10 16 Jul 2004 dat_rsp_create(3DAT)