ref: 0ed7f3744e293b2129dd8fdf12a0cdb8d8264519
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