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USER defined functions: Check if the function exists/loaded after Include

Hi Folks,

 

I am trying to figure out a way to check if a user defined function exists before calling it. Is there a way to do this check in JMP?

 

Eg: 

user_func.jsl:

user_func = Function ({},{},

.....

);

 

Main.jsl:

Include("C:\Documents\user_func.jsl")

.

down in the code

.

.

??How to check if user_func exists??

Re: USER defined functions: Check if the function exists/loaded after Include

Names Default to Here( 1 );

user_func = Function( {}, Print( "I'm Here!" ) );
func_name = "user_func";

Show( Is Empty( Parse( func_name || "()" ) ) ); 

Re: USER defined functions: Check if the function exists/loaded after Include

Here is how I would handle that case

func_name = "user_func";eval(parse("Show( Is Empty( " || func_name || ") ) ;"));

Re: USER defined functions: Check if the function exists/loaded after Include

Hi Jim @txnelson ,

 

In another case, what to do if the function name is stored as a string in a variable?

 

Clear Symbols();<BR />
user_func = Function( {}, {} );
<BR />func_name = "user_func";<BR /><BR />Show( Is Empty( Parse(func_name) ) ); //This doesnt work, any alternatives???
<BR />Clear Symbols();

 

Re: USER defined functions: Check if the function exists/loaded after IncludeThat worked, thank you very much !Re: USER defined functions: Check if the function exists/loaded after Include

You can use the IsEmpty() function.  See the example below;

<FONT face="Menlo,Monaco,Consolas,"Courier New",monospace" size="2" style="background-color: #f5f5f5;">Clear Symbols();<BR />Show( Is Empty( user_func ) );<BR />user_func = Function( {}, {} );<BR />Show( Is Empty( user_func ) );</FONT>clear symbols();