# Hypertext Help with LaTeX
\include

`\include{file}`

The `\include` command is used in conjunction with the `\includeonly` command for selective inclusion of files. The `file` argument is the first name of a file, denoting `file.tex`. If the file is also in the file list of the `\includeonly` command or if there is no `\includeonly` command, the `\include` command is equivalent to

      \clearpage \input{file} \clearpage

except that if the file `file.tex` does not exist, then a warning message rather than an error is produced. If the file is not in the file list, the `\include` command is equivalent to `\clearpage`.

The `\include` command may not appear in the preamble or in a file read by another `\include` command.

See also Splitting the Input
See also `\input`
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