Hi Jeff,

> I know that I can specify a DOY (Day of Year) variable in a bash
> file as "DOY=$(date +%j)". But, I would only want the variable to
> express the last two digits of DOY. So... 010 would be expressed as
> 10 and 165 would be expressed as 65, etc.

> I looking at grabbing a zipped file with a filename of filename.znn
> where "nn" is the DOY minus the first digit.

> Any thoughts? If I am making any sense. <g>

Yes, I think I understand...

Here's how I get the two-digits you are talking about when I need them in my
scripts:

#set variables
num=`date +%j --date=Friday`
pick=`expr substr $num 2 3`
year=`date +%Y`
echo $pick
  13
echo $num
  013
echo $year
  2017

So I think it's the `expr substr $num 2 3` you want to use for those two
digits. My variable 'list' above is looking for info for Friday's nodelist
date, that's why I'm looking for  --date=Friday 

Take care,
Janis

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