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05-29-2008
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macintosh
hello,
i am new to this forum. i own a macbook pro running mac os x 10.5.2 leopard. just wondering, if these forums will help me? i work a lot in an application called terminal, it is apples command line. i like programming and have questions, like there was a post about text scrolling, the person who started the thread asked when using cat and page is there a way to have the text scroll or slowly move across the screen. there was a couple of programs in the thread that looked interesting to me. when you are talking about a script, what is this? like what language are you talking about? in the same thread there was a post of a c program. i tried to paste the c program into a text editor, and then compile it. the program compiled with out any errors but when i went to run it nothing seemed to happen. i am wondering if the reason it didn't work was because i am running a mac? i can re-post the program if any one wanted me to? also how do i post code on this forum? 
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05-29-2008
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Scripts can be written in a variety of languages, but usually we are talking about shell scripts unless it's othewards specified.
A shell script is essentially just a collection of command lines, in sequence, so should work on your Mac just fine. C code is a compiled language so you'll need to take the c-code and run it through a c compiler (gcc for example) to produce a compiled application before you can run it. Scripts don't have this requirement - you can just paste them into an editor and run them. Wrap CODE tags round text to have it displayed correctly as code: eg: [CODE[ your code [/CODE[ Last edited by Smiling Dragon; 05-29-2008 at 03:34 PM.
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06-02-2008
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there was a c program which i got from this website. i pasted the program into a text editor. i then compiled the program, and it compiled without any errors. but when i went to run the program nothing seemed to happen. the program was supposed to scroll text slowly accross the screen. just wondering what i am doing wrong?
one question i have is the command to run the program, i tried the following: Code:
./nodoff.out 500 filename here is the source file of the program which i called nodoff.c: Code:
#ifdef __STDC__
#define PROTOTYPICAL
#endif
#ifdef __cplusplus
#define PROTOTYPICAL
#endif
#include <stdlib.h>
#include <sys/time.h>
#ifdef PROTOTYPICAL
int main(int argc, char *argv[])
#else
main(argc,argv)
char *argv[];
#endif
{
int millisecs, microsecs;
struct timeval tv;
millisecs=atoi(argv[1]);
microsecs=millisecs*1000;
tv.tv_sec=microsecs/1000000;
tv.tv_usec=microsecs%1000000;
select(0, NULL, NULL, NULL, &tv);
exit(0);
}
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