1\documentclass{article}
2\usepackage{verbatim}
3\newenvironment{myverbatim}{%
4before \verbatim inside}{%
5inside \endverbatim after}
6
7\begin{document}
8\section{verbatim}
9Before
10\begin{verbatim}
11Inside
12\amacro
13More Inside
14\end{verbatim}
15After
16
17Before \begin{verbatim} Inside1
18Inside2
19Inside3 \end{verbatim} [ignored after]
20
21Before \begin{verbatim} Inside1
22Inside2
23% comment Inside \end{verbatim}
24
25
26Before \begin{verbatim} Inside1
27Inside2
28\end {verbatim}
29
30\section{comment}
31Before
32\begin{comment}
33Inside
34\end{comment}
35After
36
37Before
38\begin{comment}
39Inside
40\end {comment}
41After
42
43Before \begin{comment}Inside1
44Inside2
45Inside3 \end{comment} [ignored after]
46After
47
48\section{myverbatim}
49Before
50\begin{myverbatim}
51Inside
52\end{myverbatim}
53After
54
55Before \begin{myverbatim}Inside1
56Inside2
57Inside3 \end{myverbatim} [ignored after]
58After
59
60\section{Defining}
61%\newverbtext{\silly}"^%{ &~_\}}@ #"
62
63%\section{Weird \silly}
64
65\section{From File}
66\verbatiminput{verbata.tex}
67
68\end{document}