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Open DCL does mention mac so it may be a way around the dcl problem. Will have a look further later going out for beer now my birthday.

Something like this it can be re-set to remember last entry. getvals multi.lsp is in the download area at Cadtutor. (if (= barsz nil)(setq barsz "100")) (if (not AH:getvalsm)(load "Multi Getvals.lsp")) ……... ……... (setq barsz (atof (AH:getvalsm (list "Input bar spacing" "Bar space" 5 4 barsz ))))

It is feasible to use excel to actually draw in Autocad for what you want its a bit lengthy, most people who have written this type of thing have spent years coding in excel so have macros etc built up.. If you break it down into steps there are just so many. Draw plot title block Draw chainages and lines Draw inverts Draw depth to invert Draw ns level Draw slope text Draw verticals at correct chainage Draw surface profile Draw pipe profile Phew out of breath and no where finished. Lastly there is some lisp out there for "draw long section" do a search.

You may find my tutorial: Prompting with a Default Option a useful read.

Post a sample code that does not work then suggestions can be made to change the code, looking for certain functions. More than likely you will need to use entget and assoc methods.