On Wed 19 Feb 2020 at 07:24:06 (-0600), Richard Owlett wrote: > I'm looking for a tutorial covering > "cron(3tcl) cron" [.../tcllib/cron.3tcl.en.html] > NOT "CRON(8) System Manager's Manual" [.../cron/cron.8.en.html] > > Neither DuckDuckGo nor Google gave acceptable references. > Many were references to cron(8) *NOT* cron(3tcl). > > A website of interest updates data hourly. > There is an internal time stamp in the data. > There is a significant, but a to be determined, delay between the > time-stamp and when the data is available on the web. > > I want to do data captures at 1 minute intervals from 10 minutes > before to 10 minutes after the top of the hour. > > Suggestions? > TIA
cron (8) and wget¹, downloading to a directory whose name is constructed with $(date some-format), so that you can pick over your downloads at leisure. ¹ some might suggest curl instead. One day I'll settle down, read their man pages and compare them. Perhaps write a tutorial :) Cheers, David.
