Variable substitition

[Jeff Beadles]

In <1990Nov30.092424 at cs.utwente.nl> stadt at cs.utwente.nl
  (Richard van de Stadt) writes:
>Is there some sort of variable substitution possible in a shell script
>to get the value of the last argument supplied to the script? I don't
>mean shifting the arguments until one is left. I'd like to know if something 
>like awk's $NF, in which NF means the number of fields, and $NF means the 
>value of the last field, is possible. ${$#} results in an error message.

Well, this will work in the bourne shell:

#!/bin/sh

last="`eval echo \\$$#`"
echo "Last field = $last"
exit 0


And, when run:

% ./t jeff beadles

Last field = beadles


This might not be the most elegant solution, but it does work.  It's even been
somewhat tested, :-)

	-Jeff
-- 
Jeff Beadles		jeff at onion.pdx.com