Explain about LMGET�read a logical record from a data set
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Answer Posted / dimpy19
1.The LMGET service reads one logical record from the data set associated with the given data ID.
2.Completion of the LMINIT and LMOPEN services for the data set is required before LMGET is invoked.
3.If the data to be processed is a sequential data set, the first LMGET reads the first logical record. Later invocations read successive logical records
4.If the data is an ISPF library or MVS� partitioned data set, previous completion of the LMMFIND service is required in addition to completion of LMINIT and LMOPEN.
The LMGET service reads from the last member referred to by the LMMFIND service in the data sets being processed. Thus, if LMMFIND is issued referencing member A,
LMGET reads from member A. If another LMMFIND is issued referencing member B, LMGET reads from member B, not member A.
>>-ISPEXEC--LMGET--DATAID(data-id)--MODE(-+-MOVE---+-)---------->
+-LOCATE-+
+-INVAR--+
'-MULTX--'
>--DATALOC(dataloc-var)--DATALEN(datalen-var)------------------->
>--MAXLEN(max-length)------------------------------------------><
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