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Re: One piece of code, two mysteries!

by Anonymous Monk
on Oct 05, 2012 at 06:33 UTC ( #997393=note: print w/ replies, xml ) Need Help??

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  1. or download this
    async BLOCK;
        "async" creates a thread to execute the block immediately followin
    +g
    ...
        "undef" if the thread terminates *normally*. Otherwise, it returns
        the value of $@ associated with the thread's execution status in i
    +ts
        "eval" context.
    
  2. or download this
    print timedCommand( 3, $cmd, $_ ) || "\$@ $@" for 2, 3, 4; ### LINE B 
    +###
    
  3. or download this
    $ perl huh
    1
    ...
     4
    
    4
    

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