in reply to /usr/bin/perl^M: bad interpreter:

get rid of ^M with
dos2unix /usr/local/bin/sr_server # or more perlish perl -pi -e 'tr[\r][]d' /usr/local/bin/sr_server
see also crlf to \n

print+qq(\L@{[ref\&@]}@{['@'x7^'!#2/"!4']});