红宝石花招

Posted 2021-02-27

Following a

print <<EOF
The price is #{$Price}.
EOF
 
print <<"EOF";			# same as above
The price is #{$Price}.
EOF
 
print <<`EOC`			# execute commands
echo hi there
echo lo there
EOC
 
print <<"foo", <<"bar"	# you can stack them
I said foo.
foo
I said bar.
bar
 
myfunc(<<"THIS", 23, <<'THAT')
Here's a line
or two.
THIS
and here's another.
THAT
 
if need_define_foo
eval <<-EOS			# delimiters can be indented
              def foo
                print "foo
"
	      end
EOS
end