[Newbies] scripts

Mark Volkmann mark at ociweb.com
Fri Sep 26 13:49:47 UTC 2008

On Sep 26, 2008, at 8:03 AM, Randal L. Schwartz wrote:

>>>>>> "Randal" == Randal L Schwartz <merlyn at stonehenge.com> writes:
>>>>>> "Bert" == Bert Freudenberg <bert at freudenbergs.de> writes:
> Bert> Am 26.09.2008 um 05:12 schrieb Mark Volkmann:
>>>> Is it possible to run a Squeak program from a terminal window  
>>>> and  have
>>>> access to the stdin and stdout streams from the Smalltalk code?
> And the longer still answer (now that I've noticed "access to stdin  
> and
> stdout") is to use an image with OSProcess loaded, and then you can
> get access as follows:
>  me := ThisOSProcess thisOSProcess.
>  stdin := me stdIn. "acts like a Stream"
>  stdout := me stdOut.
>  stderr := me stdErr.
>  stderr print: Time now; cr. "put the time of day on my stderr output"

Thanks for the example code! Now I think all I need is to find out how  
to launch the code from a terminal window. At http://wiki.squeak.org/squeak/1914 
  I found this.

"To initiate external shell processing, evaluate  
''ExternalCommandShell stop'', save the image, and restart with  
''squeak -headless myImage''."

It's not clear to me what will be run when that last command is  
executed from a terminal window. Where would I put code like your  
example code above and how does the squeak command know to execute it?

Mark Volkmann

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