Export Bash Variable for Perl Command One-liner

How to use shell variables in perl command call in a bash shell script?

mydate=10/10/2012
export mydate
perl -e 'print "my date is $ENV{mydate}\n"'

Parameter Expansion Explained

An introduction to parameter expansion in Bash (Recommended)

Parameter Expansion

Shell Parameter Expansion

How to Make a Request of a Busy People

5 Tips for E-mailing Busy People