Plan 9 from Bell Labs’s /usr/web/sources/contrib/gabidiaz/root/sys/src/cmd/snmpfs/tools/avg.rc

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Distributed under the MIT License.
Download the Plan 9 distribution.


#!/bin/rc

awk -v 'nf='^$1 'BEGIN{n=1;} 
{
	gsub(/\(/,//,$nf);
	gsub(/\)/,//,$nf);
	last=now;
	now=$nf
	if ( last < now && last > 0 ) {
		printf("%d\n",now-last);
	}
}'


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