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Top Forums Shell Programming and Scripting awk - find average interarrival times for each unique page Post 302518988 by yinyuemi on Monday 2nd of May 2011 05:17:29 PM
Old 05-02-2011
Code:
echo '0.000 55588
0.000 55592
3.2320 55592
117.964 55596
530.841 55596
928.232 55596
117.964 55600
530.841 55600
630.789 55600
700.232 55600' |awk '{v1=$2==v2?v1:$1;a[$2]=$1-v1;v2=$2;b[$2]++}END{for(i in a) print i,a[i]/(b[i]==1?1:b[i]-1)}'
55592 3.232
55600 194.089
55596 405.134
55588 0

 

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UMCT(4) 						   BSD Kernel Interfaces Manual 						   UMCT(4)

NAME
umct -- Magic Control Technology USB-RS232 converter driver SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device umct device ucom Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): umct_load="YES" DESCRIPTION
The umct driver provides support for USB to RS-232 converters based on the Magic Control Technology USB-232 design. These devices support most of the standard RS-232 features including baud rates ranging from 300 to 115200 bits per second. However, neither hardware nor software flow control seems to be supported. Access to devices under this driver is via the ucom(4) framework and device nodes. HARDWARE
The umct driver supports the following adapters: o Belkin F5U109 o Belkin F5U409 o D-Link DU-H3SP USB BAY Hub o Magic Control Technology USB-232 o Sitecom USB-232 SEE ALSO
tty(4), ucom(4), usb(4) HISTORY
The umct driver appeared in FreeBSD 5.2. It is loosely based on the ubsa(4) driver by Alexander Kabaev <kan@FreeBSD.org> with documentation from Wolfgang Grandeggar <wolfgang@cec.ch>. AUTHORS
The umct driver was written by Scott Long <scottl@FreeBSD.org>. BSD
November 22, 2006 BSD
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