(Untested) If the questions in the input are separated by blank lines:
# Read input a paragraph at a time
# and put carriage returns on output lines
local $/ = "\n\n";
local $\ = "\n";
# Read input, one question at a time
while (<>) {
chomp;
# Grab the question number
my $number = /^(\d+\.)/;
# Split the question into lines
my @question = split /\n/;
# The answer is the last line
my $answer = pop @question;
# Send the results to different output streams
print OUT1 join("\n", @question);
print OUT2 "$number $answer";
}
buckaduck
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