What do those print, and why?  (Without cheating and running the code! :) 

#!/usr/bin/perl

$foo = "foo";

print "1: $ $ $ foo\n";
print "2: $ $$ foo\n";
print "3: $ $$foo\n";
print "4: $$$foo\n";

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In reply to Re^3: Is space supposed to be ignored between a sigil and its variable name? by almut
in thread Is space supposed to be ignored between a sigil and its variable name? by boom

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