UniBasic Commands Reference - Rocket Software

Parameters
The following table describes each parameter of the syntax.
Parameter Description
Multireel Tape Processing
You must use the TAPELEN option for the T.ATT command and specify the tape
length. This command is intended for use with UniData tapes only. For information
about the ECL T.ATT command, see the UniData Commands Reference.
1-915 UniBasic Commands Reference
UNIT(mu.expr) Specifies the conversion code (first digit) and the unit number
(second digit). Unit numbers range from 0 through 9.
The mu.expr is optional and the default value for UNIT is (00)
for tape unit 0 with no conversion performed (ASCII assumed).
Valid options include the following:
0 – No conversion (ASCII assumed).
1 – EBCDIC conversion.
2 – Invert high bit.
3 – Swap bytes.
expr Specifies an expression to write.
THEN statements END THEN executes if command execution is successful. END is
required to terminate multiline THEN statements.
ELSE statements END ELSE executes if command execution is not successful or the
record (or ID) does not exist. END is required to terminate
multiline ELSE statements.
WRITET Parameters