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6.8 Abbreviation of Compound Commands
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This becomes th e cu rren t path, a n d can be
curtailed from th e following commands.
6.8 Abbreviation of Compound Commands
When several compound commands have a common head portion (for
example, :BEEPer:KEY and :BEEPer:COMParator, etc.), then, when and
only when writing them directly following on from one another, this
common portion (:BEEPer: in this example) can be omitted from each
command except for the first one.
This common portion is called "the current path", by analogy with the
general concept of the current directory in the directory structure of UNIX or
MSDOS, and until it is cleared the analysis of following commands is
performed by deeming them to be preceded by the current path which has
been curtailed in the interests of brevity. This manner of using the current
path is shown in the following example:
Normal expression
:BEEPer:KEY ON;:BEEPer:COMParator NG
Abbreviated expression
:BEEPer: KEY ON;COMParator NG
The current path is cleared when the power is turned on, when a colon (:)
appears at the start of a command, and when a delimiter is detected.
Messages with particular headers can be executed without relation to the
current path. Further, they have no effect upon the current path.
With the 3511-50, there are 5 possible current paths:
:BEEPer:
:COMParator:
:CORRection:
:RANGe:
:USER:
Summary of Contents for 3511-50
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