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Full Discussion: Find out the match data content?!
Top Forums Shell Programming and Scripting Find out the match data content?! Post 302368026 by rdcwayx on Wednesday 4th of November 2009 03:52:12 AM
Old 11-04-2009
With -m, can save the search time.

-m NUM, --max-count=NUM
Stop reading a file after NUM matching lines. If the input is standard input from a regular
file, and NUM matching lines are output, grep ensures that the standard input is positioned to
just after the last matching line before exiting, regardless of the presence of trailing
context lines. This enables a calling process to resume a search. When grep stops after NUM
matching lines, it outputs any trailing context lines. When the -c or --count option is also
used, grep does not output a count greater than NUM. When the -v or --invert-match option is
also used, grep stops after outputting NUM non-matching lines.

Code:
grep -m 1 -f file1 file2

 

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LEARN ABOUT DEBIAN

zmq_msg_move

ZMQ_MSG_MOVE(3) 						    0MQ Manual							   ZMQ_MSG_MOVE(3)

NAME

       zmq_msg_move - move content of a message to another message

SYNOPSIS

       int zmq_msg_move (zmq_msg_t *dest, zmq_msg_t *src);

DESCRIPTION

       The zmq_msg_move() function shall move the content of the message object referenced by src to the message object referenced by dest. No
       actual copying of message content is performed, dest is simply updated to reference the new content. src becomes an empty message after
       calling zmq_msg_move(). The original content of dest, if any, shall be released.

	   Caution
	   Never access zmq_msg_t members directly, instead always use the zmq_msg family of functions.

RETURN VALUE

       The zmq_msg_move() function shall return zero if successful. Otherwise it shall return -1 and set errno to one of the values defined below.

ERRORS

       EFAULT
	   Invalid message.

SEE ALSO

       zmq_msg_copy(3) zmq_msg_init(3) zmq_msg_init_size(3) zmq_msg_init_data(3) zmq_msg_close(3) zmq(7)

AUTHORS

       This manual page was written by the 0MQ community.

0MQ 2.2.0							    04/04/2012							   ZMQ_MSG_MOVE(3)
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