READ, READTAB, READLK


ANSI

 

The READ instruction retrieves information from disk and transfers that information into data variables. READTAB may be substituted in any of the READ instructions. READLK locks the record as it is read using the manual locking mode. The read instruction is defined in the following sections based upon the type of file being read.

 

AAM File Read

FILE Read

ISAM File Read

 

See Also: WRITE, Disk I/O Instructions

 



PL/B Language Reference PREPDEFAULT READ, READTAB, READLK (AFILE)