Re: Variable checking routine...

Catherine Hampton asked,

| Now, a follow-up question.  Will this work?
| 
| ADMINFOLDER=${ADMINFOLDER:-$DEFAULT}

Yes; it is just fine to use a variable rather than static text as the right
side of the substitution.

Note that sh's ${variable:=defaultvalue} and ${variable=defaultvalue}
syntaxes are not available in a procmail rcfile.