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Full Discussion: Repeative Output
Top Forums Shell Programming and Scripting Repeative Output Post 302762087 by cero on Monday 28th of January 2013 04:54:25 AM
Old 01-28-2013
Hi,
most grep implementations can read its pattern from a file:
Code:
grep -vf/tmp/exemption_list /tmp/subnet_list |sort -u >/tmp/subnet_list_result
mv /tmp/subnet_list_result /tmp/subnet_list

 

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rmvb(9F)						   Kernel Functions for Drivers 						  rmvb(9F)

NAME
rmvb - remove a message block from a message SYNOPSIS
#include <sys/stream.h> mblk_t *rmvb(mblk_t *mp, mblk_t *bp); INTERFACE LEVEL
Architecture independent level 1 (DDI/DKI). PARAMETERS
mp Message from which a block is to be removed. mblk_t is an instance of the msgb(9S) structure. bp Message block to be removed. DESCRIPTION
The rmvb() function removes a message block (bp) from a message (mp), and returns a pointer to the altered message. The message block is not freed, merely removed from the message. It is the module or driver's responsibility to free the message block. RETURN VALUES
If successful, a pointer to the message (minus the removed block) is returned. The pointer is NULL if bp was the only block of the message before rmvb() was called. If the designated message block (bp) does not exist, -1 is returned. CONTEXT
The rmvb() function can be called from user, interrupt, or kernel context. EXAMPLES
This routine removes all zero-length M_DATA message blocks from the given message. For each message block in the message, save the next message block (line 10). If the current message block is of type M_DATA and has no data in its buffer (line 11), then remove it from the message (line 12) and free it (line 13). In either case, continue with the next message block in the message (line 16). 1 void 2 xxclean(mp) 3 mblk_t *mp; 4 { 5 mblk_t *tmp; 6 mblk_t *nmp; 7 8 tmp = mp; 9 while (tmp) { 10 nmp = tmp->b_cont; 11 if ((tmp->b_datap->db_type == M_DATA) && (tmp->b_rptr == tmp->b_wptr)) { 12 (void) rmvb(mp, tmp); 13 freeb(tmp); 14 } 15 tmp = nmp; 16 } 17 } SEE ALSO
freeb(9F), msgb(9S) Writing Device Drivers STREAMS Programming Guide SunOS 5.11 16 Jan 2006 rmvb(9F)
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