ref: 1fd6a3738a4775ee3a326a31a750778c1d0ddda1
dir: /bg/
#!/bin/rc
# save image under http://bg.stanleylieber.com/img/bg/
# 2018-08-07T23:05:01-0400
rfork e
raw=$1
file=`{basename $raw}
if(~ $raw http*//*)
hget $raw >$bg/img/bg/$file
if not
fcp $raw $bg/img/bg/^`{date -n}^.^$file