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1994-07-10
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PM UNDELETE for OS/2 Version 1.30 10 Jul 94
__________________________________________________________________
PM UNDELETE is a GUI program for a quick recovery of deleted
files.
OS/2 offers a feature which allows the recovery of deleted files.
However, the control program for this feature is a command line
driven tool with poor comfort: The OS/2 program UNDELETE.
PM UNDELETE is an easy-to-use PM program to undelete deleted files
to their original directory or to the system's TMP directory.
Deleted files may be also be sent to Nirwana, that is, their
deletion is made permanent. (This corresponds to the /F option of
the OS/2 UNDELETE command.)
PM UNDELETE is also able to display deleted files in order
to explore their contents before performing any actions.
PM UNDELETE uses the OS/2 program UNDELETE.COM to do its job.
This means that PM UNDELETE does not rely on a specific version
of OS/2 nor does it use undocumented system calls or other
quirks!!! This feature is sometimes called 'compatibility'.
This program is FREEWARE and may be distributed together with
this documentation to all OS/2 users!!!
__________________________________________________________________
___ Installation _________________________________________________
Copy PMUNDEL.EXE and PMUNDEL.ICO (or another icon you prefer) to
a directory in your PATH.
You should install a program object for PMUNDEL.EXE on the desktop
for a quick access!
Be shure that the variable TMP is set in the OS environment
and that it points to a directory for temporary files.
(e.g. SET TMP=C:\TMP )
Be shure that the variable DELDIR is set in the OS environment
for all drives on which the recovery of deleted files is desired.
Refer to your OS/2 user manual (online) for more information.
(e.g. SET DELDIR=C:\TMP\DELETE;D:\DELETE )
__________________________________________________________________
___ Usage ________________________________________________________
Start PMUNDEL.EXE. If you start the program from the OS/2 command
line be shure to add the command line parameter "/refresh".
(See also 'bug list' below!)
PM UNDELETE displays all drives which support the recovery of
deleted files (that is, all files specified in the DELDIR variable).
Select a drive and press the refresh button or double click the
drive. Refresh may be clicked whenever another process has erased
files and the list of files being deleted (for the selected drive)
should be updated.
PM UNDELETE displays all files which can be recovered.
Select the desired files (extended multiple selection).
By pressing the appropriate button you can undelete the selected
file(s) to their original directory or to the TMP directory.
'Deleting files forever' means that the files may not be
recovered any longer.
'Deleting files forever' means that the files may not be
recovered any longer. (Corresponds to the /F /A options of the
OS/2 UNDELETE command.)
'Viewing files' means that all selected files can be displayed by
an internal viewer. The viewer displays all selected files one by
one and supports vertical and horizontal scrolling and binary file
handling. If a file contains more than 500 lines, the viewer asks
whether the whole file should be displayed or whether it may be
truncated for viewing.
It is sooo easy.
Note: The moving banner may be disabled by the menue option
"Disabled banner". This may be useful in the case that
this feature consumes too much CPU time on your system.
Starting the program with the command line option
"/nobanner"
disables the moving banner from the beginning.
__________________________________________________________________
___ Bugs _________________________________________________________
PM UNDELETE has a bug causing an incorrect display of the dialog
window if being started from the OS/2 command line. This is due
to a bug either in the DrREXX window handler or in the
corresponding OS/2 subsystem.
A workaround for this bug (since it is now documented, hence I will
call it a feature...) is to start the program with the command line
option "/refresh".
(e.g. pmundel /refresh )
This will redraw the dialog window after a call to OS/2 UNDELETE.
If PM UNDELETE is started directly from the WPS via a program
object, via a program file object or via a PM shell (such as
PC/2) the dialog window will be displayed properly!
__________________________________________________________________
___ History ______________________________________________________
V1.00 - Released
V1.01 - Switch "/refresh" added
V1.10 - Pre-Viewer added
V1.11 27-12-93 - Bug fixed that caused invalid refresh on systems
with drives x1 ... xi, xi+2 ... xn
- Bug fixed in documentation that caused illegal
e-mail address (@#+!)
V1.20 27-04-94 - All program windows may be resized and/or
maximized
- Menu control added for viewer
- "About" button removed (it's not that urgent to
be present all the time)
V1.21 05-06-94 - Bug fixed in handling filenames with blanks
V1.22 10-06-94 - Now able to handle a TMP path specification
with forward slashes (vital for EMACS users)
V1.30 10-07-94 - Command line option "/nobanner" added
- Menue "Options" added
- Moving banner may be disabled/enabled
__________________________________________________________________
___ Acknowlegdements _____________________________________________
PM UNDELETE is a REXX program designed and created using the
superior and phantastic DrDIALOG/DrREXX environment written by
David C. Morill.
Thanks to him, he has done a great job!!!
__________________________________________________________________
___ Usage ________________________________________________________
Comments, criticism and postcards may be sent to:
affie@sfs.nphil.uni-tuebingen.de
Snail Mail:
Ralf Hauser
Moltkestr. 45
72072 Tübingen
Germany