As here documents do introduce newlines in your string everywhere you start a new line they are not the same as a simple concatenation, behold: 
#!/perl
my $foo = <<EOF;
Would these two lines
become one in a here document?
EOF

print "=$foo=\n";

[download]
will output: 
=Would these two lines
become one in a here document?
=

[download]

In reply to Re^2: Concatnate long statement by varian
in thread Concatnate long statement by phimtau123

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