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Re^7: Binary to decimal conversion

by Anonymous Monk
on Dec 12, 2007 at 08:34 UTC ( #656567=note: print w/ replies, xml ) Need Help??

in reply to Re^6: Binary to decimal conversion
in thread Binary to decimal conversion

Because you did not RTFM :)

reverse LIST In list context, returns a list value consisting of the elemen +ts of LIST in the opposite order. In scalar context, concatenates the elements of LIST and returns a string value with all characters in the opposite order. print reverse <>; # line tac, last line first undef $/; # for efficiency of <> print scalar reverse <>; # character tac, last line tsr +if Used without arguments in scalar context, reverse() reverses $ +_. This operator is also handy for inverting a hash, although the +re are some caveats. If a value is duplicated in the original has +h, only one of those can be represented as a key in the inverted hash. Also, this has to unwind one hash and build a whole new one, which may take some time on a large hash, such as from a DBM file. %by_name = reverse %by_address; # Invert the hash

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