Search for *.exe(or *.txt) and than start them

This is a discussion on Search for *.exe(or *.txt) and than start them within the C Programming forums, part of the General Programming Boards category; Hello, is is possible to make a progam which search for *.exe or *.txt etc files on the hard drive.? ...

  1. #1
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    Question Search for *.exe(or *.txt) and than start them

    Hello,

    is is possible to make a progam which search for *.exe or *.txt etc files on the hard drive.? And than save the results in a variable to start them.
    I have also written a Code which search for the three *.exe files,
    which has been copied to C:\ (Explorer.exe, Calc.exe, Mediaplay.exe). but the program doesnīt start the three programs.

    thanks

    JoJo

    #include <stdio.h>
    #include <dir.h>
    #include <conio.h>
    #include <process.h>


    void main(void)
    {
    struct ffblk ffblk;
    int done;
    printf("Directory listing of *.exe\n");
    done = findfirst("\\*.exe",&ffblk,0);
    while (!done)
    {
    printf(" %s\n", ffblk.ff_name);
    done = findnext(&ffblk);
    spawnlp(P_WAIT, "\\*.exe", "\\*.exe");
    }

    getch();
    }

  2. #2
    Mayor of Awesometown Govtcheez's Avatar
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    Well, if you've got the search written, you can use functions in the FAQ for starting your exe's

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    Unhappy

    what FAQ do you mean..from cprogramming? I donīt find an FAQ there.

    JoJo

  4. #4
    Mayor of Awesometown Govtcheez's Avatar
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    www.cprogramming.com/boardfaq.html

    There's a link to it at the bottom of the page (Board FAQ)... Not the most descriptive name, but whaddyagonnado?

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    ok i found it thanks, and the FAQ show how i have to use the spawn* functions...but how can i combine the spawn* function with the search function to start the *.exe files.
    in other words, whats wrong with my Code....(maybe the whole code..mmhpf)

    JoJo

  6. #6
    Mayor of Awesometown Govtcheez's Avatar
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    Just an idea...

    Have your search function return the filename as a variable, and then just spawn the variable.

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    yes that kind of idea i also have got, but the findnext() function saves the results in ffblk or not?

  8. #8
    and the hat of wrongness Salem's Avatar
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    > but the findnext() function saves the results in ffblk or not?
    Yes (didn't you finish reading the manual page?)

    ffblk.ff_name perhaps

    > void main(void)
    int main
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
    I support http://www.ukip.org/ as the first necessary step to a free Europe.

  9. #9
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    yuuuuhhu it works thanks, thanks..thanks a lot!!!!

    this is the new code with your great help:

    #include <stdio.h>
    #include <dir.h>
    #include <conio.h>
    #include <process.h>


    int main(void)
    {
    struct ffblk ffblk;
    int done;
    printf("Directory listing of *.exe\n");
    done = findfirst("*.exe",&ffblk,0);
    while (!done)
    {
    printf(" %s\n", ffblk.ff_name);
    done = findnext(&ffblk);
    spawnlp(P_WAIT, ffblk.ff_name, ffblk.ff_name , NULL);
    }
    getch();
    }
    But there is another question i have: Hao can i search the whole hard-drive? With :
    done = findfirst("*.exe",&ffblk,0);
    it search only in the working directory and with ("\\*.exe"...); it search under C:\

    thanks

    JoJo

  10. #10
    and the hat of wrongness Salem's Avatar
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    > it search only in the working directory and with ("\\*.exe"...); it search under C:\
    1. change the search to "*.*"
    2. to search a directory tree, you need to look at the attributes (one of the members of ffblk). This has a bit set if the current entry is a directory. If its a directory, you need to "chdir" to that directory and start a new search.
    This makes for a nice recursive function.

    > done = findfirst("*.exe",&ffblk,0);
    You also need to change the 3rd parameter to indicate the types of things you want to seach for. 0 just means regular files IIRC.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
    I support http://www.ukip.org/ as the first necessary step to a free Europe.

  11. #11
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    Thumbs up

    thanks for your help i will try it tomorrow, cause itīs night in germany ....i will post again how it works...good night

    thanks

    JoJo

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