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34 lines
1.4 KiB
Plaintext
34 lines
1.4 KiB
Plaintext
[[REM]] allows explanatory comments, or remarks, to be inserted in a program. [[REM]] statements extend to the end of the line and the text is ignored when the program is run.
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{{PageSyntax}}
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:: [[REM]] this is a comment
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:: [[apostrophe|']] this is also a comment
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{{PageDescription}}
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* [[REM]] may only be used where statements are allowed unlike [[apostrophe]] comments which may be included anywhere.
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* [[REM]] must appear as the last, or only, statement on a line. Any following statements are included in the comment text and ignored.
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* QBasic [[metacommand]]s like [[$INCLUDE]] must be included in a comment using either [[REM]] or [[apostrophe|']].
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* [[Apostrophe]] comments, unavailable in earlier dialects of the BASIC language, are now generally favored over [[REM]] statements for their greater flexibility.
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* Comments are also useful for disabling code for program testing and debugging purposes.
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{{PageExamples}}
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''Example:'' Avoiding an [[END IF]] error.
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{{CodeStart}} '' ''
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{{Cl|REM}} This is a remark...
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' This is also a remark...
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{{Cl|IF...THEN|IF}} a = 0 {{Cl|THEN}} {{Cl|REM}} this statement is executed so this is a single-line IF statement
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{{Cl|IF...THEN|IF}} a = 0 {{Cl|THEN}} ' this comment is not executed so this is a multi-line IF statement and END IF is required
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{{Cl|END IF}} '' ''
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{{CodeEnd}}
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{{PageSeeAlso}}
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* [[Apostrophe]]
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* [[$DYNAMIC]], [[$STATIC]], [[$INCLUDE]]
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{{PageNavigation}}
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