Xylem System 5000 BASIC Manual - Manual (Page 24)

Immediately ends the Basic program. Optional if used as the last statement.
var = 12
IF (var > 10) THEN
var = 5
END
ENDIF
var = 10 REM never reached as program has ended (var still equals 5)
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END
Declares the end of a multi-line IF-THEN statement. Not required on single-line if statements.
var = 16
IF (var >= 21) THEN
PRINT “Adult”
ELSEIF (var >= 13) THEN
PRINT “Teen” REM prints “Teen”
ELSE
PRINT “Child”
ENDIF
ENDIF
Declares the end of a subroutine (begun with the SUB statement).
volume = calc_volume(3, 4, 5) REM volume contains 60
SUB calc_volume(h, w, d)
vol = h * w * d
RETURN vol
END SUB
END SUB
Returns true if the given filenumber has reached the end of the file, false if there is still data
available to be read from the current position.
OPEN “SiteID.csv” FOR READING AS #1
WHILE (NOT EOF(#1))
LINE INPUT #1, var$
PRINT var$ REM prints the contents of SiteID.csv one line at a time
WEND
CLOSE #1
EOF (filenumber)
BASIC COMMANDS & FUNCTIONS