CLEARDATA |
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The CLEARDATA statement clears any data stored by previous DATA statements or DATA verbs and not yet processed by INPUT statements.
Format
CLEARDATA
The data queue is cleared. Any keyboard type-ahead is not affected by this statement. The CLEARDATA statement is most useful when recovering from error situations where the data queue could cause problems.
Stored data is cleared automatically on return to command prompt.
Example
ERROR.LABEL: CLEARDATA ABORT "A fatal error has occurred"
This program fragment could be used to ensure that the data queue is empty when aborting at some error condition. |