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49 lines
1.8 KiB
Plaintext
49 lines
1.8 KiB
Plaintext
The '''comma''' is used to [[TAB]] the cursor after a [[PRINT]] statement's text to tab append another printed value.
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''Usage:'' INPUT "Name, age and sex(M or F): ", nm$, age%, sex$
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* Commas in [[PRINT]] statements [[TAB]] space values up to 15 column places with column 57 being the maximum per row.
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* A comma following the prompt text in an [[INPUT]] statement does not display a question mark. A [[Semicolon|semicolon]] or no prompt does.
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* Commas are also used between [[INPUT]] statement variables when more than one input is required.
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* [[LINE INPUT]] can use a comma or [[semicolon]] after the prompt text. Neither will display a [[question mark]].
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* Commas are used as [[argument]] separators in many kinds of Qbasic statements and [[SUB]] or [[FUNCTION]] parameter lists.
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* [[WRITE]] statements use commas to separate values printed to the screen or sent to a file '''without tab spacing them'''.
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* '''Literal numerical values entered into program code, [[DATA]], files or user [[INPUT]] cannot contain comma separators!'''
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''Example 1:'' Comparing [[TAB]] to [[comma]] tab spacing.
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{{CodeStart}} '' ''
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{{Cl|PRINT}} {{Cl|TAB}}(15); "T"
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{{Cl|PRINT}} , "T" '' ''
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{{CodeEnd}}
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''Example 2:'' Comparing PRINT and WRITE statement displays.
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{{CodeStart}}
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value1 = 23567: value2 = 45678: value3 = 354126
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{{Cl|COLOR}} 14: {{Cl|LOCATE}} 2, 1: {{Cl|PRINT}} value1, value2, value3
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{{Cl|COLOR}} 12: {{Cl|LOCATE}} 4, 1: {{Cl|WRITE}} value1, value2, value3
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'' ''
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{{CodeEnd}}
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{{OutputStart}}
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{{text|23567 45678 354126|yellow}}
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{{text|23567,45678,354126|red}}
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{{OutputEnd}}
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:''Note:'' [[WRITE]] does not space any values. The commas separate the numerical values without the normal PRINT spacing.
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''See also:''
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* [[Semicolon]], [[Colon]]
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* [[TAB]], [[SPC]], [[SPACE$]]
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* [[PRINT]], [[PRINT USING]]
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* [[WRITE]], [[INPUT]], [[LINE INPUT]]
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{{PageNavigation}}
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