Parameters, Cont’d

Use the SHIFT subroutine:

$AGAIN:

$ IF P1 .EQS. “” THEN EXIT

.

.

.

$ GOSUB SHIFT

$ GOTO AGAIN

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Here’s and example of how to implement the SHIFT subroutine.

The idea is to process all the parameters on the command line, one by one - as P1 - then exit when none remain unprocessed.