Run function from text file

This is a discussion on Run function from text file within the C Programming forums, part of the General Programming Boards category; I need to run different sequences of function. Each sequence will be saved into a text file. My problem is ...

  1. #1
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    Jun 2005
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    Question Run function from text file

    I need to run different sequences of function. Each sequence will be saved into a text file. My problem is how can I run the function by reading the text file ?

    For example : I have 3 functions : sum (int i, int j), average(int i, int j), logic (int i, int j). I made a text file and the content is : sum, average, logic. When my program read this text file, it will run function sum, follow by average and then logic.

    Question : How to call those function from text file ?

    Regards,
    Hendra

  2. #2
    End Of Line Hammer's Avatar
    Join Date
    Apr 2002
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    6,231
    One way:
    Read each line into memory (fgets), then use strcmp() to compare the string against your list of known functions, and invoke the appropriate one.

    Code:
    fgets(buf, ......)
    if (strcmp(buf, "average") == 0)
    {
      invoke_average();
    }
    
    etc etc
    Naturally the above is simplistic. You'll need to make the code a bit smarter to actually work, that's a good challenge, right?!
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

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