Dec 122017
OS/2 program that searches specified drives for duplicate files.
File DBLS.ZIP from The Programmer’s Corner in
Category OS/2 Files
OS/2 program that searches specified drives for duplicate files.
File Name File Size Zip Size Zip Type
DBLS.DOC 1821 984 deflated
DBLS.EXE 10403 6537 deflated
DBLS.ICO 3192 325 deflated

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Contents of the DBLS.DOC file

DoublesFinder for OS/2, version 0.0

Find redundant files across drives.


DoublesFinder searches the specified hard disks for files having the same
name. These files are printed to the standard output device with their
full path. By redirecting the output of DoublesFinder to a file, the list
of 'doubled' files can be obtained which can be used for further manipulation.

It can be suprising to see that on the average about 20% of files have
the same name, many of these being redundant. On the other hand, files
having identical names may have entirely different contents. This is
especially true for common file names such as README.* or REGISTER.*. Thus,
you should be careful not to erase them without furher control.


Usage: dbls.exe drive: [drive:] [...]

Example: dbls c: d: e:

Output: should be redirected to a file...


- Works correctly with 25, 43, or 50 line modes
- HPFS aware (didn't test it though!).
- No limit for number of files on hard disk (available memory being the limit)
- Works 4 times faster than the fastest MS-DOS equivalent (to my knowledge)

Future planned enhancements (in chronological order):

- Match analysis based on other keys than FILENAME, such as DATE, SIZE,
CONTENTS and so on..
- Exclude filenames or extensions in match analysis. This is useful if files
with the same key are common but not redundant, such as the 'descript.ion'
file of 4DOS or the 'dirinfo' file of Norton Commander.
- Port to PM.
- 'Shoot & delete' capability.
- And much more... (really!)

I would be happy to implement other features if asked...

Written by GULCU CekiLausanne, 26.03.92
[email protected]

 December 12, 2017  Add comments

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