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So I've always toyed around with C# code with the idea of gaming. Lately I've been dabbling in communication. Initially I tried sockets and TcpClient and that was hit and miss. So I decided to give pipes a go. Frankly I dont have much of a preference of one of …
by nunntb473 in Software Development ()
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Alright so I am getting a weird problem with the following code int toDB[2]; int fromDB[2]; char * param1; char * param2; err = pipe(toDB); if(err==-1) { printf("Error on pipe creation: %d\n", errno); exit(1); } sprintf(param1, "%d", toDB[0]); err = pipe(fromDB); if(err==-1) { printf("Error on pipe creation: %d\n", errno); exit(1); …
by kyle.mace.35 in Software Development ()
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Hello. I need to set up some pipes for a homework assignment as part of a bigger project. The issue I'm having is that the array (args) I'm using to populate the pipe arguments keeps segfaulting and I don't know why. Everything has been malloced beforehand and the faults only …
by greatman05 in Software Development ()
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Ok so am writing a program that simulates a computer system.The cpu and memory will be forked making memory a child process and cpu athe parent and i will be using pipes to let them exchange informatino. I am really lost tough on what to do next, i have loaded …
by nah094020 in Software Development ()
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Hey, I have some command, I'll call it "command". I need to do this: yes | command but without a pipe, there is a reason for this, because for the specific use, pipe before the command is not allowed, that's not the point. Is there an alternative I can use …
by liran in Linux and Unix ()
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Hi, i am not sure whether this topic would go under this category, thought this would be more suitable what are the famous software architectures? i have to do an research on this an present, I am new to this topic appreciate a reply thanks
by anisha.silva in Computer Science ()
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hi, does any one know about the pipe & filter architecture implemntation in C# have a question in that.
by anisha.silva in Software Development ()
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HI, I want to implemtna a file & filter architecture for reading data from a txt file and then removing the non alpahbatical words in it and display the 20 words in alphabatical order in the Consol window. how do i do it. appreciate a reply, thanks
by anisha.silva in Software Development ()
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Hi. I have a class called step and in it i have a method `public IEnumerable<string> Execute(IEnumerable<string> input) ` when i trying creating a thread i did it as below List<string> l = new List<string>(); l.Add("a"); l.Add("r"); l.Add("d"); step s = new step(); Thread t3 = new Thread(s.Execute(l)); t3.Start(); give …
by anisha.silva in Software Development ()
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HI, How can I read from a txt file using threads in C#, regards
by anisha.silva in Software Development ()
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In a client server program ... generally when the server goes down the client on executing the send command 2 times returns a SIGPIPE signal . I want to know y this happens. The client must recieve sigpipe immediately when it sends a message after the socket connection is broken …
by srinivas88 in Software Development ()
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Hi, I was wanting to write a (ba)sh script to allow me to wait for the detection of a new USB device, and when that device is detected, execute some commands. The scripts are intending to be working on the principle that whenever I plug in a usb device a …
by Sudo Bash in Software Development ()
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after tokenising my string i am the tokens to the method below and counting the tokens. if token number is one, that means i have one command only and pass it from execvp.. if i have a second token then pass that token from the second execvp.. This gives me …
by mullan123 in Software Development ()
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Hi, I made a program that lists all possible anagrams of a word.Now I'd like to include anagrams of subsets of letters in the word.I have the code for making the subsets also now.But i do not want merge them as a single code.So I'd like to know if there …
by IndianaRonaldo -3 in Software Development ()
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I am trying to write some tool for MSDOS environment but it doesn't work as expected. I want to get the tool to read from some commandline pipe, like C:\> type a.txt|testpipe where testpipe.exe is the compiled program. The problem: After going through the piped contents, it does not stop …
by winonus in Software Development ()
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Hello there, I'm new to C programming and am following a course in C. I've got an example code for piping. It's not a very hard code to understand. It goes like this: [CODE] #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #define READ_END 0 #define WRITE_END 1 const char …
by JDevelop in Software Development ()
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What is the best way to terminate ReadFile once the data is done being read? I just sits there an hangs! I'm kinda new to Python so be easy on me! :) The other way i was able to read info from my pipe was blah = open(pipe) then blah.read() …
by bmoe in Software Development ()
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Hello, I want to redirect stdin and stdout of "cat" program to my program. For example if I type "cat" in terminal, and enter input and press enter it outputs the same string I entered. In my c program I am trying to use pipes and dup. I cannot figure …
by slatk3y in Software Development ()
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Hi, I have some questions about multi pipe. First of all, What I should do is making 6 child processes and each of child process reduces a global value (by 1) which is saved in malloc concurrently until the value reaches 0. All I could find from google was about …
by 9tontruck in Software Development ()
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I am trying to pipe an email to PHP. I currently have set up a forwarder in cPanel that does the following : [B]|/home/username/public_html/mailscripttest.php[/B] mailscripttest.php has permissions 755 and contains: [CODE=php] #!/usr/bin/php –q <? /* Read the message from STDIN */ $fd = fopen("php://stdin", "r"); $email = ""; // This …
by nquinlan in Web Development ()
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Hi, I’m trying to use the following code in C++ on Mac OS X Snow Leopard to get the output of an external program through a pipe. [code=c++] FILE * al = popen("program program.cfg", "r"); string data; char buffer[100]; while (fgets(buffer, 100, al) != NULL) data.append(buffer); cout << "«" << …
by venyz in Software Development ()
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A program that handles either piped input (command/prog | your_prog) or file redirected (your_prog < file_name) input. Determine whether such input exists before issuing a stdin read so that the program does not go into a "waiting for input" state. Written in/for the XP environment.
by banders7 1 in Software Development ()