/bin/sed: -e expression #1, char 1: unknown command: `.'

#!/bin/sed -rn
: loop
s/\r//
N
s/\r//
t x
: x
s#^(.+)\n(http://svn.corp.spotoption.com.+)#echo 'if [[ $( head -c -1 <<"EOF" | sha512sum | cut -d" " -f1\n\1\nEOF\n) = $csumkey ]]; then echo match \2; else echo nomatch;fi' >>file#e
t output
b loop
: output
s/nomatch//;t nomatch
s/match (.+)/\1/p;Q
: nomatch
n