Dear Monks, I was golfing around with ways to make perl print its own source and came up with something odd. I would expect the following program to print the first line of itself but it prints the entire file. Why does it do that? 
#!/usr/bin/perl

use strict;
use warnings;

print do{@ARGV=$0;<>};

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My path thru this course: 
print do{local(@ARGV,$/)=$0;<>}; # the usual idiom
print do{@ARGV=$0;local$/;<>};
print do{@ARGV=$0;$/='';<>};     # bad
print do{open$_,"<$0";<$_>};
print do{@ARGV=$0;*/;<>};        # wtf
print do{@ARGV=$0;<>};           # wow

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In reply to print source golf by Anonymous Monk

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