Search DaniWeb - file-input-stream

Re: Question/Answering over SQL Data Using LangGraph Framework 2 Months Ago by Pelorus_1 Through its combination of natural language processing and structured query generation, LangGraph makes interfacing with databases and extracting insights over SQL data easier than ever. Re: file input and output help please 14 Years Ago by hag++ …//declares 4 variables ifstream inData; // declares input stream ofstream outData; // declares output stream outData << fixed <<…e make sure you have received a valid file handle). Here are two examples: [CODE=… method is_open() to make sure you have a valid file handle if( inData.is_open() ) {/* Do something*/… file input and output help please 14 Years Ago by fabricetoussain … program here i had to finish, and it was for input and output files, i wrote everything, and even wrote the…, val3, val4; //declares 4 variables ifstream inData; // declares input stream ofstream outData; // declares output stream outData << fixed << showpoint; inData… Re: file input using jsp and FormBeanFactory 12 Years Ago by IIM … with a form, the file input should be identified by the appropriate content type (e.g., "application/octet-stream"). If multiple…;<BR> What files are you sending? <INPUT type="file" name="files"><BR>… Parsing a file for Sets and Maps 13 Years Ago by kweigand …= in.nextLine(); /* TODO * 2) Use an unbuffered file input stream * to open listings.txt file and read * in property listings. */ Scanner sc2 = null…types sold * by the agents to the agentreport.txt file * using unbuffered file output stream. */ } private static TreeSet<String> getAgentID… Noob : Input Stream Trouble 19 Years Ago by crws416 …InputStream is = new FileInputStream(Filelocation); //get the size of the file long length = Filelocation.length(); //range check to make sure length…,DataStore.length-offset))>=0){ offset += numread; } //close the input stream is.close(); //call the set method of store the data… Re: Overload input stream 14 Years Ago by Kanoisa … that you want to choose which input stream you want at each usage as a function input or a saved member variable? if… following. [code]ifstream myFile; //make a file handle myFile.open("someFile"); //open the file Date_Time someDate; //create instance of your… "Flushing" the input stream 17 Years Ago by Narue … characters from an input stream in C++, it's usually because you mixed formatted and unformatted input methods. The formatted… method would leave a newline in the stream and the unformatted … until end-of-file or a newline is read. It's generally assumed that interactive input in C++ is… Re: "Flushing" the input stream 17 Years Ago by msary80 About flush the input stream, I'll check it out, Thank you for your work. Daniweb - Friendly online community for C++ learners with accurate tutorials. Re: "Flushing" the input stream 15 Years Ago by andersondo …; //literal output cout << "enter a number"; //input from keyboard(includes /n when enter is pressed) cin >…; num; //pause so output can be read cin.ignore(); //CLEAR INPUT STREAM cin.get(); //read any… Re: Doesn't open for file input successfully.... why? 18 Years Ago by Narue …'t change the stream state. When you read fin to end-of-file, closing the stream doesn't change …stream after opening it: [code] if(!fin.is_open()) //if unable to open for file input { cout << "Unable to open for file input…..." << endl; } [/code] This guarantees that you're testing if the file is open,… VC++:convert File IStream to hex and store...? 20 Years Ago by philip …++! I' have a problem with converting the file Input Stream. I read a single character from the stream of the curent position of the… file.In one case I set the hex flag…; in another case I read from the stream and store… Trying to read in a file gives stream does not equal NULL errror 14 Years Ago by Protoroll …;string.h> #include <math.h> int main() { FILE* input; FILE* output; int product=0; int length=0; int* x=0…; int count=0; int i=0; int p=0; input = fopen("input.txt", "r"); output = fopen("output… 10 10 10 10 and here is the way my input file is formatted. Thanks for any help. Re: file input and output help please 14 Years Ago by burgercho Did you create data.in with notepad? If you did you have to set save as type to All Files, otherwise it automatically applies an extension of .txt to your file. Alternatively you could just change to [CODE]inData.open("data.in.txt")[/CODE] and no, file types can have whatever extension you want them to have (or none). Re: file input and output help please 14 Years Ago by fabricetoussain yea nvm thank you, i was just stupid, and didn't realize it saved it into the data.out file, vs popping up in the command window haha. sorry for wasting your time Re: Clearing input stream 17 Years Ago by Narue …happen in line-oriented interactive input, but they can happen if stdin is redirected to a file, which is why this isn…'t a complete solution. However, the "newline stuck in the input stream" problem…isn't one. When more than one interpretation for a stream of characters exists, it's impossible to have a … Re: input readChar 16 Years Ago by destin … an input stream stream = new FileInputStream ("test"); // Read a line of text DataInputStream input = new DataInputStream (stream); try //tries to read input file { c=input.readChar… input readChar 16 Years Ago by vladdy191 … an input stream stream = new FileInputStream ("test"); // Read a line of text DataInputStream input = new DataInputStream (stream); try //tries to read input file { c=input.readChar… Re: input readChar 16 Years Ago by vladdy191 [QUOTE=Alex Edwards;729459]Have you tried providing a .txt extension in the String name of test? [icode] // Open an input stream stream = new FileInputStream ("test.txt"); [/icode][/QUOTE] Yeah. I can access the file fine because when I do readLine it works. Its just readChar that throws exception. File Upload to php[vb.net] problem.. 13 Years Ago by Warl30ck …gt; Choose a file to upload: <input name="uploaded_file" type="file" /> <input type="submit&… header.AppendLine() header.AppendLine("Content-Type: application/octet-stream") header.AppendLine() 'Convert in binary format (ASCII)… Re: input readChar 16 Years Ago by Alex Edwards Have you tried providing a .txt extension in the String name of test? [icode] // Open an input stream stream = new FileInputStream ("test.txt"); [/icode] file handling help 13 Years Ago by tygergyrl …) { throw new IOException("Could not completely read file "+file.getName()); } // Close the input stream and return bytes is.close(); return bytes; }[/code…] Here is the code of java program to Read text File Line… input error 16 Years Ago by oldSoftDev …double x1,y1,x2,y2,x3,y3; try { // Create the input stream. data = new TextReader(new FileReader("points.txt")); }… program by returning from main(). } try { // Read numbers from the input file and print them out while ( data.eof() == false ) { //… Re: input error 16 Years Ago by Ezzaral … to put that back in or skip ahead in your input stream somehow. Since you're using some third-party TextReader class… you have posted doesn't really match with that text file you attached. Re: Need help ,plz, file and stream!! 14 Years Ago by VernonDozier inFile is declared, but there's no input stream associated with it. You need to open a file using inFile before you can use… it to read from that file. inf is passed to the function. perhaps you don't… Re: Need help ,plz, file and stream!! 14 Years Ago by VernonDozier …konw how many student are show in the txt file.how can i calculate the lines. The number…you're at the end of the file? The stream will fail. How do you know when the…it tries to read past the end of the file. Same potential pitfall. You can accidentally go once…changing it to check for the end of file and/or the failure of the >> … Re: Copy file input into output? 14 Years Ago by Syrne … test to display all of the input stream data as it would appear in the output text file in the console, and it… a way to make that output into a new text file instead of the console? Thank you! Input from file issues 15 Years Ago by kingcrim05 …], "%d", &d); /* Create Input and Output Streams */ ifstream fin; ofstream fout; /* Open Input Stream */ fin.open("numlist.dat"… %f\n", j, floatArray[j]); } /* Close file for Reading */ fin.close(); /* Open Output Stream */ fout.open("numlist.dat.srt"… File I/O Password Validator 11 Years Ago by DanJones …); int main () { string fileName; //text file name ifstream myFile; //creating a input stream string line; //password lines from input file int length; //determine string length… Re: Noob : Input Stream Trouble 19 Years Ago by Phaelax [code] String Filelocation = "c:\\temp\\hello.txt"; //get the size of the file long length = Filelocation.length(); [/code] Get the size of what? File? Looks more like a String to me. A 16 character length string to be exact. Try this instead: [code] long length = is.available(); [/code]