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How to capture and handle Pl1 error

 
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danm
Intermediate


Joined: 29 Jun 2004
Posts: 170
Topics: 73
PostPosted: Tue Sep 08, 2009 10:23 am    Post subject: How to capture and handle Pl1 error Reply with quote
In REXX, I checks the return code (RC) from EXECIO for OPEN, DISKR and DISKW etc. to make sure the command is executed successfully. I look into both Pl1 Programmer Guide and Language Reference, the examples only shows OPEN, READ, WRITE and CLOSE without any error checking. How can I be sure OPEN, READ, WRITE are executed successfully in PL1?
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anbesivam
Beginner


Joined: 09 Aug 2006
Posts: 66
Topics: 14
PostPosted: Tue Sep 08, 2009 12:32 pm    Post subject: Reply with quote
Hello Danm,

PL1 works with exception conditions. In case of any problem with file attributes and data set characteristics, the UNDEFINEDFILE condition will be raised. So, I believe in your case, you can check ON UNDEFINEDFILE condition.
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