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Everything Unix Technical

Started by t5hoo6 May 25, 2005 08:43 PM

10 comments, last by ProPuke 18 years, 10 months ago

t5hoo6

100

Author

May 25, 2005 08:43 PM

How do you(I) load(open)(run) files in C?

Meagermanx

220

May 25, 2005 08:49 PM

Look up fopen and fprintf, I think.

---There are 2 kinds of people: those who know hexadecimal, and those who don't.

Rooke

133

May 25, 2005 08:52 PM

To open files and read the contents, use fopen.
ex:

FILE* fp = fopen("hello.txt", "r");assert(fp != null);/* do stuff with the file */fclose(fp);

To run programs that is platform depedent. Usually something along the the lines of system("notepad.exe") will work.

HTHRooke-----C makes it easy to shoot yourself in the foot; C++ makes it harder, but when you do, it blows away your whole leg. (Bjarne Stroustrup)

t5hoo6

100

Author

May 25, 2005 08:57 PM

I need to run a BATCH file (.bat) and none of the things yal' gave me worked.

Drew_Benton

1,865

May 25, 2005 09:04 PM

Quote:Original post by t5hoo6
I need to run a BATCH file (.bat) and none of the things yal' gave me worked.

Umm in Unix/Linux? You could try using system to execute it, but not sure how that's done on that platform. Give it a look though! BTW, I though .BAT files were something doe Dos/Windows? I might be mistaken though, so excuse my lack of knowledge in the *nix area [wink]

t5hoo6

100

Author

May 25, 2005 09:29 PM

How about how do you clear the screen my compiler cannot use CLS?

Drew_Benton

1,865

May 25, 2005 10:54 PM

Quote:Original post by t5hoo6
How about how do you clear the screen my compiler cannot use CLS?

system("clear"); is the *nix version IIRC.

Scribbler

120

May 26, 2005 02:13 AM

Using system(); is just all around bad IMHO.

Use either the ncurses or boost libraries.

Drag0n

186

May 26, 2005 03:01 PM

Or implement it all by yourself, using ASCII escape sequences... ;)

Cheers,
Drag0n

-----------------------------"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the universe trying to build bigger and better idiots. So far, the universe is winning..." -- Rich Cook"...nobody ever accused English pronounciation and spelling of being logical." -- Bjarne Stroustrup"...the war on terror is going badly because, if you where to compare it to WWII, it's like America being attacked by Japan, and responding by invading Brazil." -- Michalson

Anon Mike

1,098

May 28, 2005 05:35 PM

Escape sequences are just as system-dependent as system(). They won't work on the default Windows console for example.

-Mike

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