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how to work with env var with special characters in the name

Jun
137
3
I've got a strange program that creates some environment variables that have <> around the name, for example, one might be named <test>. How do I get the value of this environment variable? I couldn't seem to figure out anything, not even using the SETDOS /x-6. Note that the solution needs to be compatible with the current TCC v15, and also with 4nt v6.
 
I would try the form %[<test>] which was available in 4nt6 (IIRC); probably combined with SETDOS /X-6. That form may override the parser's rules for separating tokes, but no guarantees, not tested...
 
I would try the form %[<test>] which was available in 4nt6 (IIRC); probably combined with SETDOS /X-6. That form may override the parser's rules for separating tokes, but no guarantees, not tested...


I think, if you do it that way, you don't need the SETDOS -- TCC doesn't check for redirections inside the brackets. (But if the value of the variable contains weird values, then you'll still need SETDOS.)
 
I think, if you do it that way, you don't need the SETDOS -- TCC doesn't check for redirections inside the brackets. (But if the value of the variable contains weird values, then you'll still need SETDOS.)

That doesn't bear out in TCC 15.x. I didn't bother to check in 4nt 6.

->setdos
ANSI=0
COMPOUND=&
DESCRIPTIONS=1 (DESCRIPT.ION)
ESCAPE=^
EVAL=0.10
EXPANSION=0
MODE=1
NOCLOBBER=0
PARAMETERS=$
CURSOR OVERSTRIKE=10
CURSOR INSERT=100
VERBOSE=0

[Sun 7/21/13 @ 13:51:23]:
*** C:\ ***
->set [<x>]=test
TCC: (Sys) The system cannot find the file specified.
"C:\x"
 
I think Charles was referring to accessing the variable ... and that you'll have to use other means when setting it. For example,
Code:
v:\> set ^<x^>=foo
 
v:\> echo %[<x>]
foo
 
v:\> set
<x>=foo
*** SNIP ***
 
Oh, I see. Thanks for the clarification. Yes, this works properly in both old and current versions.
 

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