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15
Task/Empty-string/True-BASIC/empty-string.basic
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15
Task/Empty-string/True-BASIC/empty-string.basic
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SUB IsEmpty(s$)
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IF Len(s$) = 0 THEN
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PRINT "String is empty"
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ELSE
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PRINT "String is not empty"
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END IF
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IF s$ = "" THEN PRINT "yes, the string is empty"
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IF s$ <> "" THEN PRINT "no, the string is not empty"
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END SUB
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LET t$ = ""
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CALL IsEmpty(t$)
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LET u$ = "not empty"
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CALL IsEmpty(u$)
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END
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