1,$g/""/d
1,$g/^[^"]*$/d
1,$g/\\/s//&&/g
1,$g/\//s//\\&/g
1,$g/&[^"]*"$/s//\\&/
1,$s/===/\/s\/\//
1,$s/$/\/gp/
1,$s/^/1,$g\//
$a
w tmp.rc
q
.
w script.txt
q