Line numbers

Line numbers or line labels are used to denote GOTO, RUN or GOSUB procedure lines or all code lines as in GW Basic.

Number Syntax

10 GOTO {line number| line label}

Label Syntax

PictureData:

DATA 0, 0, 12, 12, 14, 12, 12, 0, 0

• Line numbers are used to denote a specific line of code. No colon required.
• Line labels are used to denote a specific line of code with a colon when separating it from a code line.
• GOSUB or DATA block line labels can be numerical or text line names. RESTORE can use the label to reuse data.
• GOSUB blocks require a RETURN to return to the original call or to a line label or number to return to.
• ON ERROR GOTO line label or number calls use RESUME NEXT or a line label or number to resume to.
• GOTO or RUN can refer to a specific numerical line number or text line label.
• Line numbers are no longer required in QB or QB64 except for GOSUB, RUN or GOTO situations.
• Line numbers and labels are not allowed after SUB/FUNCTION blocks. They are allowed inside SUB/FUNCTIONS though.

See also

• GOTO, RUN
• GOSUB, RETURN
• DATA, RESTORE
• ON ERROR, RESUME, NEXT
• Line number removal procedures

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