25 May 16 04:49, I wrote to you:

 ac> #  webmonitor.sh
 ac> #
 ac> #  Monitor web pages for changes and email the diffs.

I call webmonitor.sh multiple times from another shell script (which is run by cron):

#!/bin/sh

./webmonitor.sh http://www.openbsd.org/ openbsd
./webmonitor.sh http://www.netbsd.org/ netbsd
./webmonitor.sh http://www.freebsd.org/ freebsd
./webmonitor.sh https://www.virtualbox.org/ virtualbox
./webmonitor.sh
https://msdn.microsoft.com/en-us/commandline/wsl/release_notes
wsl-release-notes

--- GoldED+/BSD 1.1.5-b20160201