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APPENDIX H. 6
always be the name of the input file and need not be
changed
as a result of editing it.
If,
however,
<name
2::>
was
explicitly ente-red on the
command line,
then <name
1::>
will not be deleted when the
EDIT
cOMmand
is tSTminated.
In this
~q;
a set of changes can be
applied to the input file without affecting the original copy
Df
the
file.
The
result
of the
edit will
be in <name
2~
afte~
the edit is ended.
Ir
onl~
a
logical
unit
numbeT
is
ente~ed
fOT
the
<name
2::>
file name
spe~ificationl
then
the
result of the edit will be on the specified logical unit.
One
of
the
standard
MDOS
error
messages
will
be
displayed
iT
the
input
rile
<name
1::> is delete or write
prote~ted
and <name 2::> is not specified.
Since
a
protected
file
cannot
be
deleted,
the edited output file SCRATCH.SA
will contain the results of the edit;
however,
the input file
must
be
manually
deleted
and
the rile SCRATCH.
SA
must
be
manually renamed by the
ope~ator.
If the Tile SCRATCH.
SA
already exists
on
when
the
EDIT
command
is
invoked
without
speciTication,
the error message
the
diskette
a
<name
2:>
**
06 DUPLICATE FILE NAME
will be
displa~ed.
The
ril~
to receive the
output,
whether
explicitly
entered on the command line or implicitly used as
SCRATCH.
SAJ
cannot exist
p~io-r
to the edit.
One
or
the
standard
error
messages
will
also
be
dis p
1
a
':I
e d
i
r
d ur i n g
a c r
0
s s -
d
r
i
vee d
i
t
I
<
n a m e 2::> can not b e
renamed after the original Tile <name
1>
has
been
deleted.
This
can
occur
if (name
1~
exists on both drives.
In this
case,
the edited output will again
be
intact
in
the
rile
SCRATCH.
SAj
however,
it
UJill
have to be renamed manually.
For
a complete description of the EDIT command's usage,
the
uM6800
Co-Resident Editor
Reference
Manual"
should
be
consulted.
The
EDIT
command has been changed slightly ror MDOS Tram
thE way it is described in the EDIT command's Manual.
In
an
at"tempt
to conrorm to the
MDOS
keyboard controls,
the
RU130UT
(DEL)
key can be used to backspace a
character
out
of
the
input
buffer;
however,
the
CTL-D
key
cannot
be used to
re-display the current line.
In addition,
the BREAK key
can
be
used
to
prematurely
terminate
p~inting
of
lines
(T
command)
and file
searching
eN
command>.
Control
will
be
returned
to
the EDIT command
procass~r.
The CTL-W can' also
be
used
to "hold
lt
the lines for consoles that are CRTs.
The
IIFtI
command
(punch
.nulls
.pCi'
leader) is invalid.
command appends 255 lines into the edit buffer.
The "Ait
t"'lI _ _ _
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