Invoke script within a script Post: 67541

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Top Forums Shell Programming and Scripting Invoke script within a script Post 67541 by mskarica on Wednesday 23rd of March 2005 11:46:31 PM

03-24-2005

Registered User

I don't know what is happening. Let me give a little scope of my problem:
1) An email is received, and it is forwarded to a shell script.
2) the main script copies entire email contents to a file
3) the main script calls another script to extract the email address of the sender (the previous problem that I mentioned)
4) the main script then calls another script to validate that email address (I have a text file that contains all of the valid emails), and the other script also writes some information such as the users name, etc, to a file name OWNER

This is where I'm having a problem now. If I invoke the main script (the same script invoked when an email is received) from the command prompt, it works fine. But when an email is received, and the main script is invoked, everything works, except #4. It seems like its sending empty strings as the parameters to the script (I tried outputing the values of the variables I'm passing as parameters, and they have the correct values in the main script. Then I also output the variables in script that is invoked, but it outputs empty lines)

I dont even know how to ask my question, I'm just venting now I guess. If you have any suggestions for me, please throw'em at me, if not, thanks for reading.

By the way, here's how I've tried calling the script from within the main script:
/path/to/script ${arg1} ${arg2}
/path/to/script `echo ${arg1} ${arg2}`

Maybe I just need to take a break, and look at it again, maybe I'm just missing something.

mskarica

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tcl_allowexceptions

Tcl_AllowExceptions(3)					      Tcl Library Procedures					    Tcl_AllowExceptions(3)

__________________________________________________________________________________________________________________________________________________

NAME

       Tcl_AllowExceptions - allow all exceptions in next script evaluation

SYNOPSIS

       #include <tcl.h>

       Tcl_AllowExceptions(interp)

ARGUMENTS

       Tcl_Interp *interp (in)		Interpreter in which script will be evaluated.
_________________________________________________________________

DESCRIPTION

       If  a  script is evaluated at top-level (i.e. no other scripts are pending evaluation when the script is invoked), and if the script termi-
       nates with a completion code other than TCL_OK, TCL_ERROR or TCL_RETURN, then Tcl normally converts this into a TCL_ERROR  return  with	an
       appropriate  message.  The particular script evaluation procedures of Tcl that act in the manner are Tcl_EvalObjEx, Tcl_EvalObjv, Tcl_Eval,
       Tcl_EvalEx, Tcl_GlobalEval, Tcl_GlobalEvalObj, Tcl_VarEval and Tcl_VarEvalVA.

       However, if Tcl_AllowExceptions is invoked immediately before calling one of those a procedures, then arbitrary completion codes  are  per-
       mitted from the script, and they are returned without modification.  This is useful in cases where the caller can deal with exceptions such
       as TCL_BREAK or TCL_CONTINUE in a meaningful way.

KEYWORDS

       continue, break, exception, interpreter

Tcl									7.4						    Tcl_AllowExceptions(3)