soelim — eliminate .so's from nroff input
reads the specified files or the standard input
and performs the textual inclusion implied by
directives of the form
when they appear at the beginning of input lines.
This is useful when using programs such as
that do not normally do this,
allowing placement of individual tables or other text objects
in separate files to be run as a part of a large document.
An argument consisting of a single minus
is taken to be a file name corresponding to the standard input.
Note that inclusion can be suppressed by using
at the start of the line as in:
is often used in a context similar to the following:
soelim exum?.n | tbl | nroff -mm | col | lp
The format of the source commands must involve no strangeness —
exactly one blank must precede and no blanks follow the file name.