What is files: Definition and 297 Discussions

CONFIG.SYS is the primary configuration file for the DOS and OS/2 operating systems. It is a special ASCII text file that contains user-accessible setup or configuration directives evaluated by the operating system's DOS BIOS (typically residing in IBMBIO.COM or IO.SYS) during boot. CONFIG.SYS was introduced with DOS 2.0.

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  1. E

    Python Two separate csv files with some common entries

    Hello, I have two dataframes, df1 and df2. Both have Country column, but one, say df2, has the codes of the country names as well. I wish to extract these codes, and assign them to the corresponding countries in df1. I just don't want to look up and fill the codes manually. I am hoping to find...
  2. M

    Enhance Your Rich Text Files: Math Symbols, Pictures, and More!

    Can we enter some math symbols such as square root in rich text files? Rich text files allow lots of things such as pasting pictures and sub and super scripts. Thank you.
  3. C

    I JPL Ephemeris Files: Calculating Heliocentric Pos. of Mars

    Greetings, This is actually a simple question. I'm working on the JPL ephemeris original data. My question is: If I wish to calculate the heliocentric position of, let's say, Mars from the original JPL raw data, must I calculate first the x,y and z position (an easy process) and then subtract...
  4. N

    Python Need an automatic way to move files between computers

    I have a system of 3 PCs all connected to the same router, I need some way to automatically move files from two PCs to the third, how do I even begin to approach this?
  5. nomadreid

    Adobe Digital Editions takeover of pdf files

    Recently I installed the more recent version of Adobe Digital Editions (the new one is 4.5. I had 3.0 -- in fact, I still have also 3.0, as I am not sure whether I can discard 3.0, since 4.5 took over files from 3.0). But then I saw that many of the pdf files on my computer (which were not Adobe...
  6. berkeman

    C# Alternative to #include files when using C#

    I'm using C# to write some code for a manufacturing test of an embedded system device. It will access several instruments that are making measurements on the device, including some National Instruments MIO channels and a Tektronix power analyzer. I'm most familiar with C and Tck/Tk, and am...
  7. Eswin Paul T

    MATLAB How to load .mcs files into matlab?

    I am working on Lidar systems and measure the back scattered photons using a Multi Channel Scaler(MCS) The data files are of .mcs format. I need to load these .mcs files into MATLAB. How do I do this in matlab? Is there any function to load these file extensions into matlab? Thanks in advance...
  8. T

    I How many 400KB files will fit on 1mm^2 surface of hard drive

    Given that 1.34Tbit of information can fit on a square inch of average hard drive surface, how many 400 KB files could be written on a square millimeter? I did the math and came up with about 634. This seems unbelievably high and I wonder if someone would have time to check it. I kind of need...
  9. kolleamm

    PHP How does PHP work with HTML files?

    For example instead of uploading an index.html to a server, would I just use index.php instead? Basically I want to be able to use PHP code to make my page more interactive.
  10. garylau

    Downloading files caused computer become heavier?

    Sorry i wonder if i download a lot of files/documents from the websites into the computer,then how much weight did the computer gains in terms of kg or g Why didn't the computer appear to gain weight after downloading a lot of files? by the way how did i convert mb/gb into kg ?thank you
  11. L

    MHB Code language for editing PDF files

    I have around ~24 PDF files I want to edit. I want to delete the first page of each file OR scan for certain text in the file/delete the text (whichever implementation is easier). What would be the most convenient and straight forward coding language to do this with and what would be my starting...
  12. A

    Help in telling compiler to include header files for C

    For a program to use I have to compile some .c files which include #include''header.h'' statements and I have tried different commands to compile but it gives me errors like 'No such file or directory'. Here is start of my file named #include "einterp.h" while start of file looks like this...
  13. D

    I need to read .CNF , .TKA and .IEC files but not sure how

    I have a whole lot of .CNF , .TKA and .IEC files that their data needs to be taken but I am unsure how to read them or convert to excel. Any help or ideas welcome.
  14. A

    JavaScript How do I save JSON files to off-line database?

    Hi, I've been working on a 3D rendering web application and am considering creating a database of JSON files. Currently I create a JSON file of data in Mathematica, then run Dropbox to load the JSON file into Dropbox and manually created the web link. I then have to manually add a url to my...
  15. ChrisVer

    Merging columns from two text files

    Suppose I have two .txt files: >>text1.txt X Y Z x1 y1 z1 x2 y2 z2 ... xN yN zN >>text2.txt W R w1 r1 w2 r2 ... wN rN Is it possible to merge the collumns in a single txt file like: >>merged.txt X Y Z W R x1 y1 z1 w1 r1 x2 y2 z2 w2 r2...
  16. kelvin490

    Different format of .dat files in different software

    I have generated some .dat files using Fortran on a cluster. I need to use WinSCP(https://winscp.net/eng/download.php) to access files in the cluster so sometimes I just use the WinSCP to open the .dat files generated. The data can be shown regularly like this one...
  17. W

    Importing flat files (e.g.) Excel directly into SQL Database

    Hi all, I have a bunch of legacy files I am trying to import directly into an .sql database. Is there a way of doing this other than by using Microsoft's import/export Wizard?
  18. H

    Repair Corrupt 2004 DWG Files | Tips & Solutions

    Recently recovered thousands of DWG files on a hard drive with a corrupt partition, however, all the files recovered are not viewable or recoverable through autocad 2007. They files are 2004 dwg files. Is there any software available to repair DWG files that someone can refer me to?
  19. oilyardm

    How to recover deleted files from Android SD card?

    Anyone has the suggestion on this? I deleted a couple of photos stored on SD card and i heard it's highly possible get back them. Actually, I tried a few 'so-called' data recovery apps, none of them work. Do you guys have any recommendation on this? thanks in advance
  20. G

    C: Sorting and searching data from separated files

    Homework Statement Write a program that reads data from binary file EMPLOYEE.DAT (employees are proffesors and teaching assistants, assume that the file exists). Split data about proffesors and teaching assistants in two separate text files and sort data by ID using insertion sort algorithm...
  21. C

    Writing Binary Files in Python 3.x

    Hi, I've been trying to write a simple binary file in Python 3 and have not yet been able to find a clear answer / solution online. Could you please suggest a simple way to read / write binary files in Python 3? My Code: # Create Binary File def dec_base(k,b=2): """ Default base is 2...
  22. F

    Lost PST files after format - how to recover deleted files?

    Hi guys, I've accidently formatted my PC with lots of PST files which were on drive c:. I REALLY need to recover them ASAP. Which tools can I run in order to recover those files? I've already tried the following: 1) Recover my files 5.x - both full partition recovery and PST file 2) Hetman...
  23. B

    What Should I Do To Regain Access To Damaged .Dbf Files?

    I have some database files. Title .dbf damaged. I think that my files are damaged or do not you? What should I do to regain access?
  24. W

    How to add .ost, pst. files as data files for MS outlook 200

    I have several of the .ost and .pst data files that I am trying to make as mailboxes (with the inbox and other subs that I created) but when I try it says they are not personal folders. I had changed one pst to ost and it worked but not the others. I thought .pst was the right suffix for these...
  25. M

    Unable to extract messages from stored DBX files

    I recently was forced to perform a complete system wipe and a reinstall of Windows XP Professional. I copied my DBX files to a DVD-ROM with all my other data, believing they would be available following the reinstall, as in previous undertakings. However, after copying my DBX folders back to...
  26. kelvin490

    MATLAB MATLAB how to automatically read a number of files

    I would like to plot a number of 3D graphs from different data files. For example I am using fid = fopen('SS 1.dat','r'); to read the first file and then plot a graph. How to set the program to change the name to 'SS 2.dat' automatically? Also for the tenth file the name becomes 'SS 10.dat'...
  27. H

    Can Multisim Import and Process Sound Files Through a Circuit?

    Is it possible to import a sound file into multisim and run it thru a circuit eg a passive low pass RC filter and send the signal to a speaker and save the clean signal say as a wav file.
  28. TheMathNoob

    Redefining the function fopen for files and getting the name

    Homework Statement How can you redefine a function in c. In this case I am trying to redefine fopen but it doesn't work because in the main the file doesn't change Homework Equations #include "InputLib.h" FILE* file_open(char* pt) { FILE* fp = malloc(sizeof(FILE*)); // I tried this...
  29. D

    How to Recover Data from a CD?

    Hi, I have CD. But today I can't read the files on it. The content of CD is very important for me. How to recover data from CD? Thanks,
  30. Y

    Mouse won't click to open files

    Hi I have a problem developed in the last week or so. I sometimes cannot open folders and files by left click the mouse. When that happens, first I can right mouse click and select "Open" to open, but after a little while, it stop working. I have to restart the computer to get it back. This...
  31. K

    Fortran Fortran : generating different output files in a loop

    implicit none character*4 head1,head2,ext character*10 fn1,fn2 integer i,kev head1='jack' head2='jill' ext='.dat' do i=1, 50000 kev=int((i-1)/50)+1000 if(mod(i,50).eq.0) then write(fn1,'(a,i4,a)') head1,kev,ext write(3,*) fn1 write(fn2,'(a,i4,a)') head2,kev,ext...
  32. M

    Fortran Generating programs in fortran to .dat files

    I have a small problem to insert a code in fortran to generate me a graph in .dat only need to Fortran insert a command that I may run in the program of .dat
  33. Y

    How to completely delete the deleted files and programs?

    I am returning a defective computer, I uninstalled all my installed programs and deleted all the files I put into the computer. I empty the recycle bin. I went into the program files folder and deleted my installed files. Is everything completely deleted?( I don't think so.). What else can I do...
  34. W

    Finding files Using Name, over _All_ Extensions (CLI, GUI)?

    Hi All, Just trying to figure out if we can find a file by knowing the name , without knowing the file path nor the extension: If we want to find all files with extension, say, .txt , we can use ( in Command Line ) the command dir *. txt ; to find al files with extension .txt in a specific...
  35. D

    [Python] Importing csv files and creating numpy arrays

    So I am fairly new to Python and feel somewhat comfortable with it. I am trying to do something what I think seems kind of simple however am not too experienced with loading files into Python (or any programming language for that matter). What I am trying to do is I have csv files that contain...
  36. nomadreid

    Confusion over Windows backup files

    As my computer kept urging me to back up my system onto an external hard drive, I decided I would buy one, but first I needed to find out which size to buy; so I backed up the system on the computer itself to find out how much space it takes up. This created two files (one, WindowsImage, and...
  37. P

    Preparing for a CAD Tooltest Interview: Get the Practice Files You Need

    I have an interview in next week . Can someone help me with some CAD files for practise inorder to overcome the tooltest.
  38. 22990atinesh

    Maximum number of comparisons required to merge two sorted files

    Homework Statement Maximum no. of comparisons required to merge two sorted files of length 'm' and 'n' is.. Homework EquationsThe Attempt at a Solution I think m+n-1
  39. P

    C/C++ [C++] Quickly finding directory files using boostfilesystem

    I'm working on a program which copies pdf's from one directory to another using boost filesystem. My problem is that the directory I'm grabbing files from contained about 14000 files (not including files in sub-directories). So iterating through each one to find something isn't very practical...
  40. M

    MHB Is it Possible? - Running a Program with Data Structures in Separate Files

    Hey! :o I have the main function of a program in a .c file. The main function uses data structures which are defined in an other .c file. And the main function uses also a .txt file to get some inputs. Is it possible to run the program if the main function is an other file as the definition...
  41. J

    Using DropBox on a Macintosh to backup files

    I'm intending to backup the source files of a program I'm working on. So what I tried to do is left-click-->Make Alias with each of the source files and then moved the aliases to my DropBox folder on my computer. I assumed this would have the effect of having the source files being saved in my...
  42. H

    Questions about *.a files on windows

    I downloaded strawberry pearl and I was looking through the library files, they are in .a files which according to google is a unix archive file type? I have seen them in use in other places as well and I want to learn more about them, but I don't have unix running How can I go about opening...
  43. S

    Convert .DXF files to .NC1 files?

    I have a laser cutter at work I'm trying to program. It's from the 80's and reads old school g-code, specifically .nc1 files. I use it to cut x-ray film screens. Right now we have an ancient laptop with an old converter on it that converts to .nc1. No one here knows where this converter...
  44. V

    Need help with files with "mlp" extension

    Good Evening! I have a few files with "mlp" extension, which are pH vs Time graphs from a lab data logger. The original software is unavailable to me, but in the Internet I can`t find anything to open it. Please, help!
  45. J

    Problem loading .wav files in matlab from directory

    Hello participants. Can anyone help me in the code of loading wavs... I am getting some error... Function for the Code is... function [wavs,fs] = load_wavs(directory) % Initialize variables data = 0; fs = 0; % Load the wavs if(nargin < 1), D = dir; else D = dir(directory); end for i=2 ...
  46. 1

    Fortran Writing strings/arrays to files in FORTRAN 77

    Hey guys i am a little confused in how to write arrays to a output file in FORTRAN 77. Here is the piece of code: Please assume that rri and eei arrays have been defined correctly above open (16,file='output.out') write (16,6100) rri eei format (5e16.8) However in the output file...
  47. S

    [C] using getchar() and putchar() to read in files

    Im working on some programme and I've used getchar() putchar() to read sentences in a text file I open the file usin stdin < filename.txt format and here is my code #include <stdio.h> #include <string.h> int main(int argc, char *argv[]) { int i; printf(" ")...
  48. O

    Backup Files for Engineering Drawings: Store or Delete?

    I have been taught to never delete old data files, because server space is cheap. However, our company has old engineering drawing files. Should we delete the old backup files or store the information on a 1 TB portable drive for later excess by technical support? The info will not be use for...
  49. A

    Reading Hamiltonian (.HSX) files in SIESTA

    Hi all, I am working on DFT calculations using SIESTA. I have obtained the Hamiltonian file (.HSX) from the calculations. But, I cannot read the file it. How do I read the .HSX file .
  50. A

    Managing simulation output files

    Hey all, This may be a bit of a stupid question, but I'll ask it anyway... For the past weeks I've been running some DEM (discrete element method) simulations, and each simulations produces a couple output files and has different input variables/commands stored in a separate file. Already I...
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