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Full Discussion: first four lines using awk
Top Forums UNIX for Dummies Questions & Answers first four lines using awk Post 302161037 by matrixmadhan on Wednesday 23rd of January 2008 12:35:02 PM
Old 01-23-2008
Quote:
Originally Posted by radoulov
Code:
awk 'NR<5' filename

Of course, you can use just head ...
better Smilie

Code:
awk '{ if ( NR < 5 ) { print } else { exit } }' filename

 

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HBA_OpenAdapter(3HBAAPI)		      Common Fibre Channel HBA Information Library Functions			  HBA_OpenAdapter(3HBAAPI)

NAME
HBA_OpenAdapter, HBA_OpenAdapterByWWN, HBA_CloseAdapter - open and close a specific adapter SYNOPSIS
cc [ flag... ] file... -lHBAAPI [ library... ] #include <hbaapi.h> HBA_HANDLE HBA_OpenAdapter(char *adaptername); HBA_STATUS HBA_OpenAdapterByWWN(HBA_HANDLE *handle, HBA_WWN wwn); void HBA_CloseAdapter(HBA_HANDLE handle); PARAMETERS
adaptername the name of the adapter to open, as returned by HBA_GetAdapterName(3HBAAPI) handle HBA_OpenAdapterByWWN() a pointer to an HBA_HANDLE HBA_CloseAdapter() the open handle of the adapter to close, as returned by HBA_OpenAdapter(3HBAAPI) wwn the WWN to match the Node WWN or Port WWN of the HBA to open DESCRIPTION
The HBA_OpenAdapter() function opens the adapter specified by adaptername and returns a handle used for subsequent operations on the HBA. The HBA_OpenAdapterByWWN() function opens a handle to the HBA whose Node or Port WWN matches the wwn argument. The HBA_CloseAdapter() function closes the open handle. RETURN VALUES
Upon successful completion, HBA_OpenAdapter() returns a valid HBA_HANDLE with a numeric value greater than 0. Otherwise, 0 is returned. The HBA_OpenAdapterByWWN() function returns the following values: HBA_STATUS_OK The handle argument contains a valid HBA handle. HBA_STATUS_ERROR_ILLEGAL_WWN The wwn argument is not a valid port WWN on the specified HBA. HBA_STATUS_ERROR_AMBIGUOUS_WWN The WWN is matched to multiple adapters. HBA_STATUS_ERROR An error occurred while opening the adapter. EXAMPLES
Example 1 Open an adapter. The following example opens the specified adapter. handle = HBA_OpenAdapter(adaptername); if (handle == 0) { fprintf(stderr, "Unable to open HBA %d with name " ""%s". ", hbaCount, adaptername); continue; } ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-------------------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-------------------------------------+ |Interface Stability |Standard: FC-MI 1.92 (API version 1) | +-----------------------------+-------------------------------------+ | |Standard: FC-HBA Version 4 (API ver- | | |sion 2) | +-----------------------------+-------------------------------------+ |MT-Level |Safe | +-----------------------------+-------------------------------------+ SEE ALSO
HBA_GetAdapterName(3HBAAPI), HBA_OpenAdapter(3HBAAPI), libhbaapi(3LIB), attributes(5) T11 FC-MI Specification SunOS 5.11 1 Sep 2003 HBA_OpenAdapter(3HBAAPI)
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