IBM Support

II07361: REXX COMPARISON BETWEEN DIFFERENT HEX VALUES SUCH AS 0E2 AND 0E4 RESULTS IN EQUALITY

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

 

APAR status

  • INTRAN

Error description

  • A REXX comparison of hex values such as 000E20 and 000E55
results in equality.  The reason for this is that the values
are taken to be numbers in exponential notation.  000E20 is
0 times 10 to the 20th power which is 0.  000E55 is 0 times
10 to the 55th power which is also 0.  This means that a
comparison such as:
   IF ('000E34' = '0E452145') THEN
will be TRUE.
.
If you wish to have such a test return FALSE then you
want to use REXX strict equality operators.  Strict
operators go character-by-character.  This means that
'0' is different from '00' and '0E34' is different from
'000E2'.  When the data being compared is to be taken as
hex values the strict comparison operators should be used.
.
For more information, see TSO/E V2 REXX Reference (SC28-1883)
Chapter 2 "REXX General Concepts" under "Comparison".

Local fix

  • Use strict equality operators for character-by-character
comparisons.

Problem summary

  • 



Problem conclusion


    

  • 



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    II07361
    • 

  • Reported component name
    V2 LIB INFO ITE
    • 

  • Reported component ID
    INFOV2LIB
    • 

  • Reported release
    001
    • 

  • Status
    INTRAN  
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    1993-11-04
    • 

  • Closed date
    • 

  • Last modified date
    1993-11-04
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG19N","label":"APARs - OS\/390 environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"001","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG19M","label":"APARs - z\/OS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"001","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":null,"label":null},"Product":{"code":"SG19O","label":"APARs - MVS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"001","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSSN3L","label":"z\/OS Communications Server"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"001","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            14 December 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback