[Coco] Re: Path command wasRe: OS-9 LVL II

[Robert Gault]

And it works correctly if you call it from Shell as a command? If not or 
if Test needs something to be in memory and can't find it, you could see 
a 216 error.

John Donaldson wrote:


> It is a program that I wrote in Pascal and compiled to executable. When 

> I do and IDENT it says

> Size            #428

> CRC           GOOD

> Parity           $85

> Exec Off       #25

> Data Size       #1058

> Edition           #1

> ty/la   at/rv     #11  $81

> prog Mod, 6809 obj, Ew-en, r/o

> 

> All it does is calculate numbers and print them to the screen.

> 

> John Donaldson

> 

> 

> Robert Gault wrote:

> 

>> Exactly what is the "test" command or script you are trying to run?

>>

>> John Donaldson wrote:

>>

>>> Kevin,

>>>   The PATH command does not seem to work for me. I have it in my 

>>> Startup as

>>> PATH= /DD/CMDS  /DD/PASCAL_CMDS

>>>

>>> I even typed the same thing from the command prompt and I can do a 

>>> PATH=?  and it will print

>>> /DD/CMDS

>>> /DD/PASCAL_CMDS

>>>

>>> BUT when I try and execute a executable file in Pascal_cmds called 

>>> test, I get ERROR 216 - Path Not

>>> Found. Only if I move it to the /DD/CMDS  or do a CHX /dd/PASCAL_CMDS 

>>> will it execute.

>>>

>>> John Donaldson

>>>

>>>

>>>

>>> KnudsenMJ at aol.com wrote:

>>>

>>>> In a message dated 2/19/05 3:11:25 PM Eastern Standard Time,  

>>>> kevdig at hypersurf.com writes:

>>>>

>>>>  

>>>>

>>>>>   In Unix (& Linux), path is NOT a command. It is a  feature of the 

>>>>> command interpreter (i.e. shell) and some of the exec  LIBRARY 

>>>>> routines. It is all built on the ENV variables that the Unix  

>>>>> process model includes. Does OS9 have ENV?

>>>>>   

>>>>

>>>>

>>>>

>>>> OS9 6809 stock shell does not have ENV or anything like PATH, but 

>>>> the  rather popular ShellPlus replacement shell does support ENV 

>>>> variables.  As  does the Shell in OS9/68K.

>>>>

>>>>  

>>>>

>>>>> A shell is not the only place to launch a shell from.

>>>>>   

>>>>

>>>>

>>>>

>>>>

>>>> This reminds me, that even under ShellPlus, if you type an 

>>>> executable  program's name, ShellPlus knows how to hunt down the 

>>>> file via the dirs given in  the PATH variable.

>>>>

>>>> But if a program tries to open a file by name, it is going thru the 

>>>> OS, but  not the Shell, so PATH expansion might not be available.  

>>>> The F$Open OS  call is restricted to what Microware built into OS9, 

>>>> and does not have access to  the powers of ShellPlus.  Even the 

>>>> Linux C-Library open() command has  limitations in this regard.

>>>>

>>>> So if a Pascal or Basic09 program tries to execute another file, 

>>>> which is  not in /dd/cmds, the PATH won't help.  PATH only works 

>>>> from the shell, as  in command line or script.  It *should* work 

>>>> right from a shell("command  string") or system("string") in Basic09 

>>>> or C, since these invoke the  shell.  --Mike K.

>>>>

>>>>

>>>>  

>>>>

>>>

>>>

>>>

>>

> 

> 

>