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https://github.com/coding-horror/basic-computer-games.git
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Removed spaces from top-level directory names.
Spaces tend to cause annoyances in a Unix-style shell environment. This change fixes that.
This commit is contained in:
Chris Reuter
3
58_Love/python/README.md
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58_Love/python/README.md
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Original source downloaded [from Vintage Basic](http://www.vintage-basic.net/games.html)
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Conversion to [Python](https://www.python.org/about/)
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155
58_Love/python/love.py
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58_Love/python/love.py
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######################################################################
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#
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# LOVE
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#
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# From: BASIC Computer Games (1978)
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# Edited by David H. Ahl
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#
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# "This program is designed to reproduce Robert Indiana's great art
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# work 'Love' with a message of your choice up to 60 characters long.
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#
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# "The [DATA variable is] an alternating count of the number
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# of characters and blanks which form the design. These data give
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# the correct proportions for a standard 10 character per inch
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# Teletype or line printer.
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#
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# "The LOVE program was created by David Ahl."
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#
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#
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# Python port by Jeff Jetton, 2019
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#
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######################################################################
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# Image data. Each top-level element is a row. Each row element
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# contains alternating character and blank run lengths.
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DATA = [ [60, ],
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[1, 12, 26, 9, 12],
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[3, 8, 24, 17, 8],
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[4, 6, 23, 21, 6],
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[4, 6, 22, 12, 5, 6, 5],
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[4, 6, 21, 11, 8, 6, 4],
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[4, 6, 21, 10, 10, 5, 4],
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[4, 6, 21, 9, 11, 5, 4],
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[4, 6, 21, 8, 11, 6, 4],
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[4, 6, 21, 7, 11, 7, 4],
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[4, 6, 21, 6, 11, 8, 4],
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[4, 6, 19, 1, 1, 5, 11, 9, 4],
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[4, 6, 19, 1, 1, 5, 10, 10, 4],
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[4, 6, 18, 2, 1, 6, 8, 11, 4],
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[4, 6, 17, 3, 1, 7, 5, 13, 4],
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[4, 6, 15, 5, 2, 23, 5],
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[1, 29, 5, 17, 8],
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[1, 29, 9, 9, 12],
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[1, 13, 5, 40, 1],
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[1, 13, 5, 40, 1],
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[4, 6, 13, 3, 10, 6, 12, 5, 1],
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[5, 6, 11, 3, 11, 6, 14, 3, 1],
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[5, 6, 11, 3, 11, 6, 15, 2, 1],
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[6, 6, 9, 3, 12, 6, 16, 1, 1],
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[6, 6, 9, 3, 12, 6, 7, 1, 10],
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[7, 6, 7, 3, 13, 6, 6, 2, 10],
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[7, 6, 7, 3, 13, 14, 10],
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[8, 6, 5, 3, 14, 6, 6, 2, 10],
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[8, 6, 5, 3, 14, 6, 7, 1, 10],
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[9, 6, 3, 3, 15, 6, 16, 1, 1],
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[9, 6, 3, 3, 15, 6, 15, 2, 1],
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[10, 6, 1, 3, 16, 6, 14, 3, 1],
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[10, 10, 16, 6, 12, 5, 1],
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[11, 8, 13, 27, 1],
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[11, 8, 13, 27, 1],
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[60, ] ]
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# Assume that the total length of the first element
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# is the line length used by every row
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ROW_LEN = sum(DATA[0])
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# Display intro text
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print("\n Love")
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print("Creative Computing Morristown, New Jersey")
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print("\n\n")
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print("A tribute to the great American artist, Robert Indiana.")
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print("His great work will be reproduced with a message of")
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print("your choice up to 60 characters. If you can't think of")
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print("a message, simple type the word 'love'\n") # (sic)
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# Get message from user
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message = input("Your message, please? ")
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if message == "":
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message = "LOVE"
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# Repeat the message until we get at least one line's worth
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while(len(message) < ROW_LEN):
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message += message
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# Display image
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print("\n" * 9)
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for row in DATA:
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print_message = True
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position = 0
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line_text = ''
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for length in row:
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if print_message:
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text = message[position:(position + length)]
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print_message = False
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else:
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text = " " * length
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print_message = True
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line_text += text
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position += length
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print(line_text)
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print("")
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######################################################################
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#
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# Porting Notes
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#
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# Not too different from the original, logic-wise. The image was
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# originally encoded as a series of BASIC "DATA" lines. Here,
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# we've converted it to a more Pythonic nested list structure.
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# Other changes include reducing some of the vertical spacing
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# (since we'll probably be showing this on a screen rather than
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# the sort of tractor-feed printer the program was written for)
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# and having the message default to LOVE when no input is given.
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#
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# This program uses a simple version of run-length encoding to
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# compress a 60 x 36 image (2,160 characters) into just 252 DATA
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# values. That's about an 8.5-to-1 data compression ratio,
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# which is pretty good!
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#
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#
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# Ideas for Modifications
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#
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# Process the user's message input to remove spaces and change
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# to uppercase.
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#
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# Encode other images in a similar fashion and let the user choose
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# which one they'd like to use to display their message.
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#
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# To help with the above step, create a program that reads in a
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# text file of any sort of similar character/space art and produces
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# the Python code to initialize the correct nested list of values.
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#
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# For example, if the input file were:
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#
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# *****
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# * **
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# ** *
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#
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# Your program would output:
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#
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# ((5, ), (1, 1, 2), (2, 1, 1))
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#
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######################################################################
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