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F-READ

Reads a record into a file buffer.

Synopsis

F-READ fb itemId
F-R fb itemId

Arguments

fb An integer specifying the file buffer associated with the file. Available values are 1 through 9.
itemId The item ID of the item to be read into the file buffer. itemId can be an integer, or a reference to a buffer or a select list that contains the item ID.

Description

The F-READ PROC command reads a specified item from a file into the file buffer. The file must have been opened using the F-OPEN command, which assigned it a numbered fb file buffer.

F-READ is a PQN command.

Examples

The following examples show the F-READ command. The first reads a literal value, the second reads a reference to a buffer containing the value.

PQN
F-OPEN 7 VOC
F-READ 7 MyData
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PQN
F-OPEN 7 VOC
MV %2 "MyData"
F-READ 7 %2
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See Also