Miscellaneous Operating Systems/Hardware

Maybe I'm defective myself, but the following strange thing happens
(tried with OpenDOS 7.01, DR-DOS 7.03 and MSDOS 6.22 command.com)



What the

Shouldn't I get "bar" on echo %foo% ?
Tried that on two different machines, even with plain DOS boot disk.

[edit: corrected typo]

Voralyan wrote:

Code: Select all

C:\>set foo=bar
C:\>set
[...]
FOO=bar
C:\>echo %foo%
%foo%
C:\>

um. what is the question here? that access to environment variables in DOS is case sensitive? I don't understand the problem.

On "echo %foo%" the value should be printed in the
next line and not the variable designator...

I tried the aforementioned example on WinNT's cmd.exe
and I get correctly "bar" as the output on "echo %foo%"...
But not on any DOS system running on two absolutely
different machines!

Maybe I'm overlooking something astonishing simple or
it's just the wrong pressure in the water pipes today... who knows?!

[edit: DOS is not case sensitive]

I have a vague recollection that the %foo% dereferencing only worked inside BAT files or in the environment passed to applications. I don't think it worked directly on the command line. I don't have a DOS system to try it out on nearby, though.

Try

Exercise for the reader: why is this required?

tingo wrote: Try

Code: Select all

echo %%foo%%

Exercise for the reader: why is this required?

Escapes me.

porter wrote: Escapes me.

Shouldn't that be "Escapes me." ?

hamei wrote:

porter wrote: Escapes me.

Shouldn't that be "Escapes me." ?

Are you quoting me out of context?

It's right, works only in batch files.
Have been working with WinNT's too long I think...