一、File OPEN-ID in CL
Ü OPNID in DCLF
· Open id is an identifier forany opened file in the CL program.
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DCLF FILE(AMIT/ACCOUNT) OPNID(ID1) QUALIFIED FILE NAME - AMIT/ACCOUNT RECORD FORMAT NAME - REC1 |
Whenwe compile the program, we can see in the spool file that the fields getpre-fixed with the ID name. Hence, each file’s that we declare in CL isrecognized by the unique open-id.
二、CAT BCAT TCAT
Ü *CAT/*BCAT/*TCAT
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*CAT or || Joins two strings "as is" *BCAT or |> Joins two strings with a single blankspace between *TCAT or |< Joins two strings trimming firststring |
'String One ' *CAT 'StringTwo ' Yields 'String One String Two '
'String One ' *BCAT 'StringTwo ' Yields 'String One String Two '
'String One ' *TCAT 'StringTwo ' Yields 'String OneString Two '
三、Handling Indicator in CL
Ü CHANGING INDCATOR VALUE IN CL
四、Multiple file read operation
Ü Multiplefile read operation in CL
If we want to use multiple files in the CLprogram, we need to use OPEN ID for this.
OUTPUT
Now we press ENTER to get the OUTPUT below: