in reply to How's your Perl?
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Exercise 1: Create an array @x such that changing $x[0] also sets $x[1] to the same value $[=1;@x=(); Exercise 2: Given a pre-declared function "foo", write a code snippet that invokes it in an infinite loop; in 10 chars {foo;redo} Exercise 4: Dump core in 6 chars dump() Exercise 5: Create a static variable lexically scoped to a sub, and no wider than that. It's ok if it blows up under recursion sub foo{my $static if 0} Exercise 6: Create $x, $y such that $x eq $y && $$x ne $$y $x=\1;$y="$x" Exercise 8: Create $foo such that ($foo^=0)++ eq $foo++ *foo=*|;$|=1; |
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