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Home / SMC 7.3.0 / Examples / Ruby / EX3
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AppClass.rb 2021-11-11 1.7 kB
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AppClass.sm 2021-11-11 3.0 kB
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checkstring.rb 2021-11-11 1.5 kB
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Makefile 2021-11-11 2.9 kB
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README.txt 2021-11-11 866 Bytes
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                         Ruby Example 3


This state machine "recognizes" the palindromes (words that read the
same backwards as forwards). The words consist of the alphabet
{0, 1, c} where the letter 'c' may appear only once and marks the
words center.


+ Building
----------

NOTE: Smc.jar must be built and installed.

Unix & Windows:
    $ make checkstring


+ Executing
-----------

Unix & Windows:

    $ ruby checkstring.rb <string>

Try several different strings, such as:

    $ ruby checkstring.rb ""
      -> unacceptable
    $ ruby checkstring.rb 00
      -> unacceptable
    $ ruby checkstring.rb 1c
      -> unacceptable
    $ ruby checkstring.rb c0
      -> unacceptable
    $ ruby checkstring.rb abcba
      -> unacceptable
    $ ruby checkstring.rb 110010c010011
      -> acceptable
    $ ruby checkstring.rb 110010c110010
      -> unacceptable
Source: README.txt, updated 2021-11-11