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Topic: Binary and text files


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In the News (Sun 22 Nov 09)

  
  Binary versus ASCII (Plain Text) Files
At heart all files are binary files -- that is, a collection of 1s and 0s.
This is the simplest file - the ASCII codes for the letters 'hello' followed by the ASCII codes for a carriage return and line feed.
Since this file contains mixed sections of ASCII and Unicode, it is crucial that the file positions are left unchanged.
www.crystalsoftware.com.au /text_binary_files.html   (736 words)

  
  Binary Software at FilesLand
Image2db is a utility for uploading large binary and text data to the database.
SplitMe, is an universal binary file splitter and self-rejoin exe generator.
Binary Viewer is is a free windows utility allowing you to open and view any file located on your computer regardless of format file was saved.
www.filesland.com /software/binary.html   (495 words)

  
  Binary file Summary
Aside from executable files, binary files may also be used to store data that is generated by a program--for example, the numerical data generated by a piece of equipment that is recording the progress of an experiment.
Binary files are usually thought of as being a sequence of bytes, which means the binary digits (bits) are grouped in eights.
Binary files typically contain bytes that are intended to be interpreted as something other than text characters.
www.bookrags.com /Binary_file   (989 words)

  
 Felgall Software - The Difference Between Binary and Text Files
C uses the fopen(file,mode) statement to open a file and the mode identifies whether you are opening the file to read, write, or append and also whether the file is to be opened in binary or text mode.
Well the difference is that text files contain lines (or records) of text and each of these has an end-of-line marker automatically appended to the end of it whenever you indicate that you have reached the end of a line.
Binary files are not broken up into separate lines or records so the end-of line marker is not written when writing to a binary file.
www.felgall.com /cplus4.htm   (649 words)

  
 Binary Files and Text Files   (Site not responding. Last check: )
A binary file is processed as a sequence of bytes, whereas a text file is processed as a sequence of characters.
Text files are portable because they are based on the ASCII code.
Binary files are not portable because they use different representations of binary data.
www-unix.oit.umass.edu /~cs121/f00/lectures-f00/lectureb/sld010.htm   (73 words)

  
 The complexities of text format files
Text files are files in which these digits are used to indicate different textual characters.
Text files explicitly determine the end of each line of a file with a specific character or sequence of characters.
The use of text files to store data in a structured fashion for use by spreadsheet programs, and more generally all text files, require some scheme to relate the binary number in the computer file itself to the characters of a written language.
www.gnome.org /projects/gnumeric/doc/sect-file-textImport-complex.shtml   (1823 words)

  
 Filetypes: Text and Binary - OIT Help Desk
Because binary files don't consist of readable text, they tend not to have a conceptual needs for "lines", and thus tend to have neither lines nor line-ends.
Most other files (graphics, sound, video), though they may include information such as the creator-application for the file (which helps define the icon used for the file), are essentially just plain "binary" files.
Since these files consist of binary numbers and text words or phrases with no line structure, they have the same "endless stream" quality as binary files, though on the UMDD IBM mainframe, as with other binary files, they are stored in arbitrary fixed-length records.
www.helpdesk.umd.edu /os/unix/usage/2146   (1283 words)

  
 Types of External Files   (Site not responding. Last check: )
Text files under most host environments have special characters, called carriage-control characters or end-of-line characters, to separate one record from the next.
Treating a file as binary enables you to have direct access to a file position by byte-address using the byte operand (>) in the INPUT or PUT statement.
One difference between binary and text files in output is that the PUT statement does not put the record-separator characters on the end of each record written for binary files.
www.asu.edu /it/fyi/dst/helpdocs/statistics/sas/sasdoc/sashtml/iml/chap7/sect3.htm   (219 words)

  
 File Techniques
Text files contain readable text characters, and can be downloaded to a Mac or PC to be printed or imported into a word processing program.
Since binary files must usually be transmitted perfectly to be useful, they are often encoded so they can be sent by regular mail; we use uuencode and uudecode.
Binary files cannot be mailed as is because the mail program adds headers for the sender, routing, and other information to the file, making the binary file unusable.
www.stat.umn.edu /HELP/files.html   (1262 words)

  
 file class
A file being renamed may not be open in any process, use the method putFileName/1 to set the 'old' filename before renaming without opening the file.
The location of the file is the value of the variable Name and the Mode parameter determines if the file is opened in binary or text mode.
The folder of the file is the value of the variable Path and the Mode parameter determines if the file is opened in binary or text mode.
www.trinc-prolog.com /doc/wfile.htm   (2341 words)

  
 LENS Manual: Example Files
Example files may be written in either text or binary format.
When loading a file, it is not necessary to specify whether it is binary or text.
Binary examples files begin with the magic cookie 0xaaaaaaaa, which happens to be equal to -1431655766 or 2863311530 unsigned.
tedlab.mit.edu /~dr/Lens/exampleFiles.html   (3077 words)

  
 Text and Binary - Untitled   (Site not responding. Last check: )
One consequence of this special format-conversion of most files is that character positions as reported by Emacs (see Position Info) do not agree with the file size information known to the operating system.
When you use NFS or Samba to access file systems that reside on computers using GNU or Unix systems, Emacs should not perform end-of-line translation on any files in these file systems–not even when you create a new file.
Some kinds of files should not be converted at all, because their contents are not really text.
www.gnu.org /software/emacs/manual/html_node/Text-and-Binary.html   (682 words)

  
 CIS Department > Tutorials > Software Design Using C++ > Files (Streams)
Files are used to store data in a relatively permanent form, on floppy disk, hard disk, tape or other form of secondary storage.
A text file is essentially a stream of characters, with some special character (or characters) to mark the end of each line.
Since file access is slow this will mean that searching will be a bit slower, but if the file is not huge this should not be a problem as binary search only does a few probes to find an item in short and medium-sized arrays or files.
cis.stvincent.edu /html/tutorials/swd/files/files.html   (6085 words)

  
 Comparing and Merging Files
thinks that either of the two files it is comparing is binary (a non-text file), it normally treats that pair of files much as if the summary output format had been selected (see Brief), and reports only that the binary files are different.
determines whether a file is text or binary by checking the first few bytes in the file; the exact number of bytes is system dependent, but it is typically several thousand.
considers the file to be text; otherwise it considers the file to be binary.
www.gnu.org /software/diffutils/manual/html_node/Binary.html   (608 words)

  
 CVS--Concurrent Versions System v1.11.17: 9. Handling binary files   (Site not responding. Last check: )
While the need to manage binary files may seem obvious if the files that you customarily work with are binary, putting them into version control does present some additional issues.
For example, if someone else checked in a new version of a file, you may wish to look at what they changed and determine whether their changes are good.
The second is that a binary file might happen to contain data which looks like a keyword (see section Keyword substitution), so keyword expansion must be turned off.
www.cis.ksu.edu /~jlutz/cvs/cvs_9.html   (792 words)

  
 Algorithmic Arts Software: DataBin
DataBin converts text data files into binary number files that can be imported into music composing programs such as ArtWonk and MusicWonk.
Once the source data file is read into the text window, you can pick whether to convert all numbers, or select a field and convert just the numbers in that field.
You can save it as a binary file with the data normalized to the 0-127 MIDI range, or as the original values in either floating point or ArtWonk sequencer/array format.
algoart.com /databin.htm   (297 words)

  
 CVS--Concurrent Versions System v1.11.6: Binary files   (Site not responding. Last check: )
For binary files, it may be possible to extract the two revisions and then compare them with a tool external to CVS (for example, word processing software often has such a feature).
With binary files, the best that CVS can do is present the two different copies of the file, and leave it to the user to resolve the conflict.
This means that, for example, that if you have a text file in old releases, and a binary file with the same name in new releases, CVS provides no way to check out the file in text or binary mode depending on what version you are checking out.
ximbiot.com /cvs/manual/cvs-1.11.6/cvs_9.html   (858 words)

  
 Files
Therefore, programs that generate significant quantities of numerical data invariably store the data in binary form, usually with a header block to identify various aspects of the data, including textual comments, descriptions of the number and kind of values in the file, and other descriptive information.
Omit the "b" to open the file in text (ascii) mode, which is the default.
The following code fragment opens an existing text file (in the default directory, which is the directory in which the executable program resides) and copies some information from the file into a new file in the same directory.
kossi.physics.hmc.edu /courses/p170/files.php   (876 words)

  
 There are two types of Files
There is no difference in declaration whether the file being declared is a text file or it is a binary file.
To store data in a binary file, we write the whole record (regardless of the number of fields in the record) in one shot.
In a text file, each field must be written individually; in a binary file, whole record is written.
ola4.aacc.edu /rkgill/Modules/binary-text-files.htm   (1869 words)

  
 Text and Binary modes
Text mode makes it much easier to mix files between Cygwin and Windows programs, since Windows programs will usually use the CRLF format.
If you are mounting a remote file system from a UNIX machine, or moving files back and forth to a UNIX machine, you may want to access the files in binary mode.
The text files found there will normally be in UNIX NL format, and you would want any files put there by Cygwin programs to be stored in a format understood by UNIX.
sources.redhat.com /cygwin/cygwin-ug-net/using-textbinary.html   (788 words)

  
 Web Hosting Resources
JPEG can reduce files sizes to about 5% of their normal size, although some detail is lost in the compression.
The data transmitted by the web server in response to the request is a text file or a binary file (images, audio, video, executables and other data).
A few lines of text that are automatically attached at the end of each email message by the email client.
www.webhostingresources.com /glossary.htm   (4490 words)

  
 Text editing software programs
Note that plain text files do not support fancy formatting features, or font styles etc, and thus neither does TextEdit because the purpose of TextEdit is only to edit PLAIN text files.
Text editor with features like a temporary clipboard where you can store whatever you want, how many ever you want, a mini encryption-decryption, a built in text to speech converter (requires xvoice.dll can be downloaded from the net), changing contrast, insert files, autosave if you are bored of saving and a whole lot more.
Secrets The Anti-Snoop Text Editor is a multiple document text editor with built-in encryption and decryption capabilities, Designed specifically to keep prying eyes out of your private thoughts, Secrets is ideal for keeping diaries, notes and other text private.
freeware.intrastar.net /textedit.htm   (997 words)

  
 Text and Binary modes
Text mode makes it much easier to mix files between Cygwin and Windows programs, since Windows programs will usually use the CRLF format.
If you are mounting a remote file system from a UNIX machine, or moving files back and forth to a UNIX machine, you may want to access the files in binary mode.
The text files found there will normally be in UNIX NL format, and you would want any files put there by Cygwin programs to be stored in a format understood by UNIX.
cygwin.com /cygwin-ug-net/using-textbinary.html   (788 words)

  
 What is a binary file? - Knowledge Base
Binary files contain formatting information that only certain applications or processors can understand.
While humans can read text files, which typically contain only ASCII text, binary files must be run on the appropriate software or processor before humans can read them.
When you are transferring files using FTP, sometimes you will need to specify whether the file you want to transfer is a binary file.
kb.iu.edu /data/afrw.html   (188 words)

  
 PowerGREP: Windows grep Software to Search (and Replace) through Files and Folders on Your PC and Network
Quickly search through large numbers of files on your PC or network, including text and binary files, compressed archives, MS Word documents, Excel spreadsheets and PDF files, etc. Find the information you want with powerful text patterns (regular expressions) specifying the form of what you want, instead of literal text.
Post-process replacement text or text to be collected
I am making changes in both text and binary files, a total of about 4500 files.
www.powergrep.com   (528 words)

  
 Edit HTML and XML files, source code, web sites or any other text file
All other files will be edited using the default options until you configure those file types yourself.
Simply pick OptionsConfigure File Types in the menu to create a new file type, and specify the file extensions used by files of that type.
When writing a plain.txt file such as a letter or a memo, you may want to use an editor that wraps long lines at the edge and marks misspelled words.
www.editpadpro.com /edittextfiles.html   (532 words)

  
 Re: Writing text files with binary data
What I am reading are data files that are part of our Student Information System from a vendor called SCT Corp. To save space, they "collapse" files before writing them to disk.
For example, a student demographic file will have a logical record length of 8000 characters (and that is what I have to send to the data warehouse import job), but each actual record that I read from disk will have something less than that.
My problem lies in the fact that some records in some files apparently have packed decimal values that resemble line feeds (or carriage returns) and so even though I may have a loop that will do a "print" 64 times, I look at the file with an editor and see 84 lines.
www.mail-archive.com /vmsperl@perl.org/msg05969.html   (291 words)

  
 GNU Emacs Manual - Text and Binary   (Site not responding. Last check: )
Text files use a two character sequence to end a line: carriage-return (control-m) followed by newline (control-j).
When you visit a text file, Emacs strips off these control-m characters; when you write a text file to disk, Emacs puts them back in.
One consequence of this special format-conversion of text files is that character positions as reported by Emacs (see section Cursor Position Information) do not agree with the file size information known to the operating system.
www.tau.ac.il /cc/pages/docs/emacso/node/emacs_455.html   (222 words)

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