Page break with \include

I like to print my drafts with big fonts and small margins (i do this in memoir style in a single chapter), but the \include comand creates a page break. Is there a way to avoid this and have section after section continuously?

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You could use \input instead of \include. –  Gonzalo Medina May 12 '11 at 23:04
Indeed. See When should I use \input vs \include ? for more details. –  Martin Scharrer May 12 '11 at 23:06
The question doesn't actually have anything to do with memoir; please change the title to something indicative of the actual contents. –  vanden May 13 '11 at 2:52
Could the forced page break be removed by \cleardoublepage? –  Harold Cavendish May 13 '11 at 5:40
@Harrold: No, \include uses \clearpage at the beginning. This is by design. If you don't want a page break don't use \include. See also the discussion in Include without pagebreak. –  Martin Scharrer May 13 '11 at 7:44

The \include command adds the page break by design and is intended for chapters which will start a new page anyway. The page break is required to make \includeonly works properly, e.g. insert the correct page numbers after any skipped chapter. If you simply want to insert your external files use the \input macro instead. It does not add a line break. See When should I use \input vs \include ? for a description of the differences of these two macros.
However, if you want to still use \includeonly you are in trouble. In this case see the question Include without pagebreak and its proposed solutions.