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#180564 - 2007-09-13 08:38 PM How do i get an error code from one Script to a Parent script
MarcInCa MarcInCa Fresh Scripter Registered: 2007-06-05 Posts: 22 Loc: Montreal, Canada	Hello every one, I got this dilemma. I wrote a lot of small useful kixtart scripts but recently I needed a way to return an error code from one kixtart script to a parent kixtart script. we are talking scripts here, not a Function. I do understand you can return a return value from a function to a script. But my case is a Parent Kix script calling another kixstart script using SHELL "WKIX32.EXE childscript.kix". Is there a way for the childscript to return an error code and let the parent script deal with the error code ? My Brain is low on caffeine and solutions. I need Help from the Kixtart Squad. It will be very greatfull. _________________________ Treat people the way you want to be treated.
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#180567 - 2007-09-13 08:56 PM Re: How do i get an error code from one Script to a Parent script [Re: MarcInCa]
Mart Mart KiX Supporter Registered: 2002-03-27 Posts: 4673 Loc: The Netherlands	You could define your variables as global variables. Quote: GLOBAL Action Declare one or more global variables. Syntax GLOBAL "variable1" [<,>"variablex"] Remarks Global variables are visible everywhere in every script during the current KiXtart session. Examples GLOBAL $X GLOBAL $X, $Y, $Z _________________________ Mart - Chuck Norris once sold ebay to ebay on ebay.
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#180569 - 2007-09-13 09:15 PM Re: How do i get an error code from one Script to a Parent script [Re: Mart]
MarcInCa MarcInCa Fresh Scripter Registered: 2007-06-05 Posts: 22 Loc: Montreal, Canada	Now that is one cool idea ! Correct me if i am wrong : The Main "Script" Define: GLOBAL $ERROR_RETURN_CODE The children script would "set" the $ERROR_RETURN_CODE value before ending. Then the Parent script would use the value "setted by the child". $\:\)$ _________________________ Treat people the way you want to be treated.
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#180572 - 2007-09-13 09:18 PM Re: How do i get an error code from one Script to a Parent script [Re: MarcInCa]
Mart Mart KiX Supporter Registered: 2002-03-27 Posts: 4673 Loc: The Netherlands	Yep. _________________________ Mart - Chuck Norris once sold ebay to ebay on ebay.
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#180574 - 2007-09-13 09:21 PM Re: How do i get an error code from one Script to a Parent script [Re: Mart]
NTDOC NTDOC Administrator Registered: 2000-07-28 Posts: 11634 Loc: Space	Well it depends on how that child script is ran. If it's just a CALL then yes but if you spawn another KiX32 then no it won't work that way.
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#180575 - 2007-09-13 09:21 PM Re: How do i get an error code from one Script to a Parent script [Re: Mart]
Allen Allen KiX Supporter Registered: 2003-04-19 Posts: 4572 Loc: USA	I've never done this before, but since he's shelling out and starting a new kix32 environment, wouldn't this only work if you CALLed the script instead? [edit: Doc beat me to the punch by about 30 seconds. /edit] _________________________ (... better days ahead)
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#180578 - 2007-09-13 09:32 PM Re: How do i get an error code from one Script to a Parent script [Re: Allen]
Les Les KiX Master Registered: 2001-06-11 Posts: 12734 Loc: fortfrances.on.ca	When you use Exit on the spawned script, pass a parm to it and that will be returned to the parent script. There is a FAQ on that. _________________________ Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.
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#180580 - 2007-09-13 09:36 PM Re: How do i get an error code from one Script to a Parent script [Re: Allen]
Mart Mart KiX Supporter Registered: 2002-03-27 Posts: 4673 Loc: The Netherlands	Missed the part about calling and shelling. You guys are right. Using call the global vars will work with shell they won't. Les also has a good solution. _________________________ Mart - Chuck Norris once sold ebay to ebay on ebay.
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#180583 - 2007-09-13 09:59 PM Re: How do i get an error code from one Script to a Parent script [Re: Les]
MarcInCa MarcInCa Fresh Scripter Registered: 2007-06-05 Posts: 22 Loc: Montreal, Canada	Originally Posted By: Les When you use Exit on the spawned script, pass a parm to it and that will be returned to the parent script. There is a FAQ on that. Hoooo ! I see ! God I am learning a lot today.. (More coffee is brewing) So if I call the child script with the SHELL command, the child script must have an EXIT command with the error code set. That way the parent Script will be able to use the value returned using @ERROR. See example code below: Parent Script: .... SHELL "WKIX32 Childscript.kix" IF (@ERROR = 0) Alll is well ELSE We got an error ENDIF Childscript: ... IF $Test_successful EXIT 0 ELSE EXIT 99 ENDIF Is this correct ? Edited by MarcInCa (2007-09-13 10:00 PM) _________________________ Treat people the way you want to be treated.
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#180584 - 2007-09-13 10:12 PM Re: How do i get an error code from one Script to a Parent script [Re: MarcInCa]
Mart Mart KiX Supporter Registered: 2002-03-27 Posts: 4673 Loc: The Netherlands	I think you would be better of calling the scripts using the Call command instead of shelling out to a new kix process each time a child script needs to start. _________________________ Mart - Chuck Norris once sold ebay to ebay on ebay.
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#180586 - 2007-09-13 10:29 PM Re: How do i get an error code from one Script to a Parent script [Re: Mart]
MarcInCa MarcInCa Fresh Scripter Registered: 2007-06-05 Posts: 22 Loc: Montreal, Canada	Ho Dear ! You mean the SHELL call might not work and I should be using the call instead ? OK guess i have to change some functionality for my main script but that wont be a big problem. So the @ERROR value in the main script would not be set properly based on the SHELL call to another Kix script ? Edited by MarcInCa (2007-09-13 10:37 PM) _________________________ Treat people the way you want to be treated.
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#180588 - 2007-09-13 10:44 PM Re: How do i get an error code from one Script to a Parent script [Re: MarcInCa]
Mart Mart KiX Supporter Registered: 2002-03-27 Posts: 4673 Loc: The Netherlands	Originally Posted By: MarcInCa .... So the @ERROR value in the main script would not be set properly based on the SHELL call to another Kix script ? That's not what I mean. If you call each child script it works for sure. Shelling out to a new kix session for each child script just seems useless to me because the console the main script is running in just sits around doing nothing and waiting for the child script to finish. If that's the want you want to do it or must do it its ok. To be sure that the vars go from the child script to the main script that way you should do some tests. _________________________ Mart - Chuck Norris once sold ebay to ebay on ebay.
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#180591 - 2007-09-13 11:04 PM Re: How do i get an error code from one Script to a Parent script [Re: Mart]
MarcInCa MarcInCa Fresh Scripter Registered: 2007-06-05 Posts: 22 Loc: Montreal, Canada	Haaa Thank you for clearing this up ! (Still Learning the power of Kix here) $\:\)$ Good news ! Based on every one's feed back, I did a bit of test scripting. The EXIT command works well as we "exit" the ChildScript, when we use the CALL or SHELL command from the Parent Script. The Parent script does get the return code from the Child Script in the @ERROR variable. Mission accomplished. Good work every one. Thank you all ! $\:\)$ Time to write some Kix Ass Code. $;\)$ _________________________ Treat people the way you want to be treated.
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#180592 - 2007-09-13 11:19 PM Re: How do i get an error code from one Script to a Parent script [Re: MarcInCa]
Les Les KiX Master Registered: 2001-06-11 Posts: 12734 Loc: fortfrances.on.ca	There are pros and cons to both methods. If you SHELL to another instance of KiX and it bombs, your parent script is still alive. If you CALL a child script and it bombs, you are blown out of the water. _________________________ Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.
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#180593 - 2007-09-13 11:42 PM Re: How do i get an error code from one Script to a Parent script [Re: Les]
MarcInCa MarcInCa Fresh Scripter Registered: 2007-06-05 Posts: 22 Loc: Montreal, Canada	Hoo Geee ! Good point ! Humm Noted and will look into that. $;\)$ _________________________ Treat people the way you want to be treated.
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#180618 - 2007-09-14 03:47 PM Re: How do i get an error code from one Script to a Parent script [Re: MarcInCa]
Glenn Barnas Glenn Barnas KiX Supporter Registered: 2003-01-28 Posts: 4402 Loc: New Jersey	Best of both worlds: Parent - Global $CHILD_EXIT ; define the global Child: $CHILD_EXIT = ; set the exit status if we are CALLED Exit $CHILD_EXIT ; exit with it if we are SHELLED Now, if you CALL the child, the global var CHILD_EXIT is set, and if you "SHELL KIX32 child.kix", the @ERROR is set, so a Code: CALL 'Child.kix' 'Result is ' $CHILD_EXIT ? will be the same as Code: SHELL 'KIX32 child.kix' $CHILD_EXIT = @ERROR so you can then evaluate $CHILD_EXIT either way. Glenn _________________________ Actually I am a Rocket Scientist! $\:D$
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#180619 - 2007-09-14 04:08 PM Re: How do i get an error code from one Script to a Parent script [Re: Glenn Barnas]
Glenn Barnas Glenn Barnas KiX Supporter Registered: 2003-01-28 Posts: 4402 Loc: New Jersey	One more thing... If you use the $CHILD_EXIT method, your child scripts should start with a If Not Declared($CHILD_EXIT) Global $CHILD_EXIT EndIf if you use SetOption(Explicit, on) in your child script AND expect to continue to use the child scripts independent of the parent. Glenn _________________________ Actually I am a Rocket Scientist! $\:D$
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#180688 - 2007-09-18 07:16 PM Re: How do i get an error code from one Script to a Parent script [Re: Glenn Barnas]
MarcInCa MarcInCa Fresh Scripter Registered: 2007-06-05 Posts: 22 Loc: Montreal, Canada	Thank you Glen ! Gee indeed the $CHILD_EXIT method is the best of both worlds ! Your insight is very appreciated ! $\:D$ _________________________ Treat people the way you want to be treated.
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