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Perl: the Markov chain saw

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Do you mind if I offer a critique? There are a few minor points that could be improved.
  • If all that $one_literal can contain is "1", then the variable isn't needed.
    If $one_literal can contain something other than "1", then it's misnamed.

  • Speaking of being misnamed, $one_literal doesn't contain a literal. It contains a string. String literals are pieces of source code that get compiled into strings. They don't exist anywhere but in source code.

  • The first argument of printf is a formatting string. Using it to print arbitrary string is a trap waiting to be sprung. Instead, use print or printf('%s', ...).

  • The C syntax for "for" loops (for ( my $i = 1; $i <= $counter; $i++ )) is much more complex than alternative syntax Perl provides (for my $i ( 1..$counter )). That makes it more error-prone and harder to parse mentally (small variations will be obscured).

In reply to Re^4: Generate the perl sequence 1, 11, 111, .... by ikegami
in thread Generate the perl sequence 1, 11, 111, .... by alih110

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