Xylem STORM 3 Basic Programming manual Bedienungsanleitung PDF herunterladen (Seite 26)

COMMANDS AND FUNCTIONS

Identiﬁes a speciﬁc location by name. Commands such as GOTO and GOSUB can refer to and

send execution to named LABELs. Line numbers are a special case of LABELs and do not require

the LABEL preﬁx to be named.

h = 3

w = 4

d = 5

GOSUB 100 REM sets volume to 60

GOSUB ComputeArea REM sets area to 12

END

LABEL ComputeArea

area = h * w

RETURN

100

volume = h * w * d

RETURN

LABEL

Returns a string, starting from the left side, containing the given number of characters from the

given string.

var$ = “A1,B2,C3,D4”

ab$ = LEFT$(var$, 5)REM sets ab$ to A1,B2

LEFT$ (string, number)

Returns the length of the given string.

var = LEN(“A1,B2,C3,D4”) REM sets var to 11

LEN (string)

Reads an entire line from an open ﬁle.

OPEN “SiteID.csv” FOR READING AS #1

LINE INPUT #1, b$ REM retrieves the ﬁrst line and stores it in b$

CLOSE #1

LINE INPUT

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Xylem STORM 3 Basic Programming manual Bedienungsanleitung Seite 26