Re^2: $foo = << "END"

Ya thats right but we could have directly written as

my $foo =" This is some text that will be placed in the scalar \$foo.
Variables like $this and $that will be interpolated."
print $foo;
[download]

Does using << "END" have any specific advantage?

Comment on Re^2: $foo = << "END" Select or Download Code

Replies are listed 'Best First'.
Re^3: $foo = << "END" by choroba (Cardinal) on Mar 05, 2012 at 14:06 UTC
You can include double quotes without escaping.	[reply]
Re^4: $foo = << "END" by aaron_baugher (Curate) on Mar 05, 2012 at 15:38 UTC
Also, sometimes they make indentation and blank lines clearer. You can include those with multi-line quoted strings, but that's not always as clear. For one thing, you can't justify the first line to the left without adding a newline at the beginning. These are equivalent, and I think the first is clearer: `my $foo = <<END; paragraph 1 line 2 paragraph 2 line 2 END my $bar = qq\| paragraph 1 line 2 paragraph 2 line 2 \|;` [download] Aaron B. My Woefully Neglected Blog, where I occasionally mention Perl.	[reply] [d/l]
Re^3: $foo = << "END" by runrig (Abbot) on Mar 05, 2012 at 16:11 UTC
Does using << "END" have any specific advantage? You can set your text editor to syntax highlight your heredoc as SQL, XML, HTML or whatever instead of plain text.	[reply]
Re^3: $foo = << "END" by aaron_baugher (Curate) on Mar 05, 2012 at 23:08 UTC
Except that your example is not the same. Yours has a leading space that mine doesn't have, and mine has a trailing newline that yours doesn't. Those are things that can be more easily spotted with a heredoc. On the other hand, some things can be tricky to do with a heredoc, like ending a multi-line string without a newline. So each method has its own best uses. Aaron B. My Woefully Neglected Blog, where I occasionally mention Perl.	[reply]