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Z3HELP-5.LBR
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VREN.HZP
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2000-06-30
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84 lines
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VREN.COM
Size (recs) CRC Version Author/Latest Issue Disk
4k (26) 710E 1.0 Bruce Morgen 8/88 Z3COM10
1- Syntax/Options 2- Notes 3- Patches
VREN (Visual RENamer) performs interactive renaming of files with format
checking. VREN takes a single wildcard filespec from the command (if none
given, "*.*" assumed). It then allows the user to step through the file names
and file attributes and change them using the WordStar(tm) diamond and/or the
TCAP-defined arrow keys for cursor movement. VREN tests for illegal renames,
existing files, wheel privileges (non-wheels cannot mess with $SYS and R/O
files at all), duplicate files on the same drive when setting the PUBlic tag,
etc. VREN always operates in an overwrite mode - there is no control-V mode
toggle.
:1
Syntax: VREN [du: or dir][afn.typ]
Options: <DEL> <-- delete left
^G <-- delete right
. <-- delete to filetype
^T <-- toggle attribute
<cr> <-- do rename
<ESC> <-- abort rename
^C <-- exit
^E
^E <-- previous file ^
^X <-- next file ^S <- -> ^D
^S <-- previous char v
^D <-- next char ^X
:2
VREN Notes:
a. Typing a period (.) moves the cursor to the first character of the file
extension, wiping out any remaining filename characters to properly
attributed blanks, unless the cursor is over the first character of the
extension, in which case it moves to the last character of the filename.
Otherwise editing behavior is quite predictable.
b. There is a rubout function closely resembling WS response and the WS
control-G (gobble) also works, although both treat the filename and
extension as distinct fields. A carriage return initiates the actual
renaming of the file.
VREN Notes (continued):
c. VREN toggles file attributes using control-T as the trigger, but, as
with a rename, nothing changes until a RET. Any attributed characters
are shown in alternate video or lower case if possible. Unless VREN is
"quieted" there is a "12345678|rsa" header for clarity. There is
protection against setting attribute #2, the home of the Plu*Perfect-
style "PUBlic" tag, if more than one file of the name in question exist
on the same drive. To disable this feature for non-PUBlic BDOS or
vanilla ZRDOS, see "Patching" below.
:3
Patching:
VREN obeys the ZCPR3 Quiet Flag unless the low (0) bit of the byte at
origin+2 (102h in DDT) is patched to a non-zero value - in that case VREN is
always "quiet." The high (7) bit of this byte controls the attribute #2
protection scheme for Plu*Perfect-compatible DOSs described above. Set this
bit if you know what you're doing and want to be able to set attribute #2 at
will.
Value at origin+2 Results in:
----------------- -----------
00h "loud" & PUBlic protected
01h "quiet" & PUBlic protected
80h "loud" & PUBlic unprotected
81h "quiet" & PUBlic unprotected