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Shell Programming and Scripting
AWK Matching Fields and Combining Files
Post 302302000 by Michelangelo on Sunday 29th of March 2009 05:59:02 PM
03-29-2009
Thank you! Thank you! Thank you!
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I did get stuck in the task of combining files after matching fields, so I'm still awkward with learning AWK.
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LEARN ABOUT NETBSD
alarm
ALARM(3) BSD Library Functions Manual ALARM(3) NAME
alarm -- set signal timer alarm LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <unistd.h> unsigned int alarm(unsigned int seconds); DESCRIPTION
This interface is made obsolete by setitimer(2). The alarm() function sets a timer to deliver the signal SIGALRM to the calling process seconds after the call to alarm(). If an alarm has already been set with alarm() but has not been delivered, another call to alarm() will supersede the prior call. The request alarm(0) voids the current alarm and the signal SIGALRM will not be delivered. The maximum number of seconds allowed is 2147483647. The return value of alarm() is the amount of time left on the timer from a previous call to alarm(). If no alarm is currently set, the return value is 0. If there is an error setting the timer, alarm() returns ((unsigned int) -1). SEE ALSO
setitimer(2), sigaction(2), sigsuspend(2), signal(3), sigvec(3), sleep(3), ualarm(3), usleep(3) STANDARDS
The alarm() function conforms to ISO/IEC 9945-1:1990 (``POSIX.1''). HISTORY
An alarm() function appeared in Version 7 AT&T UNIX. BSD
April 19, 1994 BSD