DOS Utilities BACKUP9.EXE
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Gammadyne Corporation offers the following DOS command line programs which you may download and use freely.
Notes
* These programs run on all versions of Windows since 95.
* You may distribute these programs as long as they are not modified or sold. If you would like to package them with a commercial program, please contact us.
* These programs do not have a graphical user interface. They are meant to run from a command line (DOS prompt), batch file, or shortcut. You should keep your command line programs in a directory on your hard drive, preferably one in the PATH. For Windows 95/98/ME, we recommend "c:windowscommand". For Windows NT4/2000/XP/2003/Vista/2008/7 we recommend "c:windowssystem32".
* These programs are checked for viruses before being uploaded. We do value our reputation!
* Please send comments on these programs here.
* All programs are written by Greg Wittmeyer.
The BACKUP9.EXE utility will maintain a number of backups (9 by default) of a file. For example, this command:
backup9.exe c:bazfoo.bar
Will generate these backup files:
c:bazfoo.bar.bk1
c:bazfoo.bar.bk2
c:bazfoo.bar.bk3
c:bazfoo.bar.bk4
c:bazfoo.bar.bk5
c:bazfoo.bar.bk6
c:bazfoo.bar.bk7
c:bazfoo.bar.bk8
c:bazfoo.bar.bk9
Where foo.bar.bk1 is the most recent backup, foo.bar.bk2 is the next most recent backup, et cetra. Please note that this assumes that backup9 was called 9 times, and the original file changed each time.
Usage
backup9 [/a] [/e] [/i] [/l#] [/m] [/nologo] [/q] [/s] [/v] filespec [target]
Where filespec is a specification of the file(s) that should be backed up, and target is the directory where the backup files should be created.
Switches:
/a*Always perform backup, even if no change since last backup.
/e*Replace the source file's extension instead of appending.
/i*Ignore errors in the file specification.
/l*Number of backup levels, from 1 to 999 (defaults to 9).
/m*Maintain the directory structure. This is only applicable with the /s switch and a target directory.
/nologo*Suppress logo banner.
/q*Quiet mode - no banner or operation status.
/s*Recursively enter subdirectories.
/v*Verbose mode.
Notes
* The filespec can contain the wildcard characters, the asterisk (*) and the question mark (?). It can also include multiple files separated by semi-colons.
* If the target directory does not already exist, it will be created. If no target directory is specified, the backup files are created in the same directory as the source file.
* If either the filespec or target parameter contains spaces, it should be enclosed in quotes.
* No backup is made if the file has not changed since the last backup.
* If a file is locked, backup9 will retry up to 10 times over a one second period. This is helpful for files that are sometimes briefly locked, like a database.
* Pressing the Escape key will interrupt the operation.
Example #1: Specifying a Target Directory
backup9 /l3 c:bazfoo.bar d:target
Produces these backups:
d:targetfoo.bar.bk1
d:targetfoo.bar.bk2
d:targetfoo.bar.bk3
Example #2: Wildcard, Long Path
backup9 /l3 "c:bazfoo bar.*"
Might produce these backups:
c:bazfoo bar.dat.bk1
c:bazfoo bar.dat.bk2
c:bazfoo bar.dat.bk3
c:bazfoo bar.txt.bk1
c:bazfoo bar.txt.bk2
c:bazfoo bar.txt.bk3
Example #3: Multiple Files
backup9 /l3 c:bazfoo.dat;bar.txt
Produces these backups:
c:bazfoo.dat.bk1
c:bazfoo.dat.bk2
c:bazfoo.dat.bk3
c:bazbar.txt.bk1
c:bazbar.txt.bk2
c:bazbar.txt.bk3
Example #4: Replacing Extensions
backup9 /l3 /e c:bazfoo.bar
Produces these backups:
c:bazfoo.bk1
c:bazfoo.bk2
c:bazfoo.bk3
Free download from Shareware Connection - The BACKUP9.
Version: 2.1 | Size: 256 KB | Platform: Win2000, Windows 7, WinOther, WinServer, WinVista
Released Date: | Rating: 0 | Title: DOS Utilities BACKUP9.EXE
Author Url: http://www.gammadyne.com
Program Info Url: http://www.gammadyne.com
Download Url: http://www.gammadyne.com/backup9.exe
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