[gentoo-server] simple shell script

[Ben Munat]

Argh. I've been trying to come up with what should be a simple bash script, but I just 
can't seem to get it right.

I'm trying to fix up my cron script that runs sa-learn. I want it to check to see if 
there's actually any mails in the directory before running "sa-learn <my options> <my 
missed spam dir>" and then "rm <my missed spam dir>/*".

I've gone in circles with using the "-e" test ("if [ -e $mydir'/*' ]") and just command 
success ("if `ls $mydirwithslashstar`", etc.) and I can't seem to get it right. What's the 
simplest way to just test if a directory is empty?

Thanks,

Ben
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