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COMSPEC incompatibility - v9 is different than v7

Timothy Byrd

Timothy Byrd

May
21
0
(Quick question, what's the simplest way to get ComSpec set correctly launching cmd.exe from v9?)

Using the command
Code: 
start cmd
Take Command 7.01.370 produces a command shell with
Code: 
ComSpec=C:\WINDOWS\system32\cmd.exe
Take Command 9.02.151 produces a command shell with
Code: 
ComSpec=C:\jp\v9\tcc.exe
Because of this, trying to get full CMD-compatibility by running a .cmd file using cmd.exe fails under v9.

Also somewhere along the line of running a batch - that had worked correctly from a cmd.exe launched from TCmd 7 - an error dump dialog appeared:

Code: 
OS: Windows XP Professional, SP2
CPU: AuthenticAMD, AMD AMD Athlon(tm) 64 X2 Dual Core Processor 4400+, MMX @ 2220 MHz

Module name: C:\jp\v9\tcc.exe

Application data:
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-- Timothy
{vent}It's things like this that remind me why I used TakeCommand to the exclusion of 4NT.{/vent}
 
Timothy Byrd said:
(Quick question, what's the simplest way to get ComSpec set correctly launching cmd.exe from v9?)

Using the command
Code: 
start cmd
Take Command 7.01.370 produces a command shell with
Code: 
ComSpec=C:\WINDOWS\system32\cmd.exe
Take Command 9.02.151 produces a command shell with
Code: 
ComSpec=C:\jp\v9\tcc.exe
Because of this, trying to get full CMD-compatibility by running a .cmd file using cmd.exe fails under v9.
Click to expand...

IIRC, pre-v9 Take Command did not create or use a COMSPEC variable....

I imagine the simplest way would be to do something like:

Code: 
set comspec=%@search[cmd.exe]
start cmd.exe
set comspec=%_cmdspec

Or omit the second SET COMSPEC, and instead wrap it in a SETLOCAL / ENDLOCAL pair.
 
Thanks. I made a small rcmd.btm:

Code: 
setlocal
set comspec=%@search[cmd.exe]
start /pgm %comspec %@if["%1." ne ".",/k,] %$

-- T
 
2008/6/14 Charles Dye <>:

> IIRC, pre-v9 Take Command did not create or use a COMSPEC variable....
Click to expand...

You mean it does now? How does it use COMSPEC? The help mentions that
TCC sets it (which I'm not convinced is a good thing, particularly if
it never uses it) but says nothing about it being used for anything.

Paul.
 
p.f.moore said:
2008/6/14 Charles Dye <>:

You mean it does now? How does it use COMSPEC? The help mentions that
TCC sets it (which I'm not convinced is a good thing, particularly if
it never uses it) but says nothing about it being used for anything.
Click to expand...

I don't believe TCC uses it, as e.g. COMMAND.COM did; but external programs may rely on it.
 
Timothy Byrd wrote:

> (Quick question, what's the simplest way to get ComSpec set correctly
> launching cmd.exe from v9?)
>
> Using the command
> Code:
>
> start cmd
>
> Take Command 7.01.370 produces a command shell with
> Code:
>
> ComSpec=C:\WINDOWS\system32\cmd.exe
>
> Take Command 9.02.151 produces a command shell with
> Code:
>
> ComSpec=C:\jp\v9\tcc.exe
Click to expand...
>

> Because of this, trying to get full CMD-compatibility by running a .cmd
> file using cmd.exe fails under v9.
Click to expand...

Take Command isn't doing this; TCC is. Take Command never sets COMSPEC,
and it only references COMSPEC if you start a new tab with no command
specified.

If you want to run CMD in TCMD v9, the easiest way to do it is to have a
CMD tab window running. You can do that either with a startup tab or by
creating a toolbar button.

If you want to start a non-tabbed copy of CMD from a tabbed TCC window
so that it doesn't have the COMSPEC pointing to TCC, you can use the
START /I option. (Or create a toolbar button!)


> Also somewhere along the line of running a batch - that had worked
> correctly from a cmd.exe launched from TCmd 7 - an error dump dialog
> appeared:
Click to expand...

Is this reproducible?

Rex Conn
JP Software
 
Timothy Byrd wrote:


> Also somewhere along the line of running a batch - that had worked
> correctly from a cmd.exe launched from TCmd 7 - an error dump dialog
> appeared:
Click to expand...

Also, note that TCMD v9 will create a TCMD.GPF file (or TCC.GPF,
depending on where the error occurred), which (unlike the Windows dump)
is actually useful in tracing the cause of the error. If you have one
(in your installation directory) please email it to me.

Rex Conn
JP Software
 
Sorry I took a while to respond - it takes me half an hour to get to the point where I can reproduce it, and I just now had the time.

I got thinking it wasn't reproducible, but it just happened again. I didn't find a .gpf file. Do you want the base64-encoded dump?

-- T
 
Timothy Byrd wrote:

> Sorry I took a while to respond - it takes me half an hour to get to the
> point where I can reproduce it, and I just now had the time.
>
> I got thinking it wasn't reproducible, but it just happened again. I
> didn't find a .gpf file. Do you want the base64-encoded dump?
Click to expand...

The .GPF file will be created in the %localappdata/jpsoft directory (the
same as the TCMD.INI default location). If you can't find it you can
send the dump (though it's too limited to usually be of any use).

Rex Conn
JP Software
 
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