LineRow

Help Contents Data Structure Primitives Selectors LineRow
LineTColumn Mutators

LineRow aline

outputs the row number where aline has been defined. This can be useful for writing custom text viewers or editors in Logo, like the attemps in formulatest.lg.

Example: 

to p1
	fd 100	rt 90
	fd 50
	rt 45
end
foreach bf makeTreeFromBody text "p1 [(show LineRow ? ?)]
40 [fd 100]	;numbers may vary, depending on where/when p1 was defined
40 [rt 90]
41 [fd 50]
42 [rt 45]

Example:

Reference:

LineTColumn Mutators