diff --git a/README.md b/README.md
index 2661010..e7a45a3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # sed
 
+The sed (Stream EDitor) editor is a stream or batch (non-interactive) editor.
+Sed takes text as input, performs an operation or set of operations on the text and outputs the modified text.
+The operations that sed performs (substitutions, deletions, insertions, etc.) can be specified in a script file or from the command line.
+
diff --git a/sed.spec b/sed.spec
new file mode 100644
index 0000000..46dfdb8
--- /dev/null
+++ b/sed.spec
@@ -0,0 +1,103 @@
+Name:          sed
+Version:       4.2.2
+Release:       1mamba
+Summary:       The GNU stream text editor
+Group:         Applications/Text
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.gnu.org/software/sed/
+Source:        http://ftp.gnu.org/pub/gnu/sed/%{name}-%{version}.tar.gz
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+BuildRequires: gettext-devel >= 0.14.0
+BuildRequires: bison
+Requires(post):  %{__install_info}
+Requires(preun): %{__install_info}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+The sed (Stream EDitor) editor is a stream or batch (non-interactive) editor.
+Sed takes text as input, performs an operation or set of operations on the text and outputs the modified text.
+The operations that sed performs (substitutions, deletions, insertions, etc.) can be specified in a script file or from the command line.
+
+%prep
+%setup -q
+
+%build
+%configure --bindir=/bin
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%find_lang %{name}
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post
+%install_info %{name}.info
+exit 0
+
+%preun
+%uninstall_info %{name}.info
+exit 0
+
+%files -f %{name}.lang
+%defattr(-,root,root)
+/bin/sed
+%{_infodir}/sed.info*
+%{_mandir}/man1/sed.*
+%doc AUTHORS NEWS README THANKS
+
+%changelog
+* Mon Dec 24 2012 openmamba WebBuild System <webbuild@openmamba.org> 4.2.2-1mamba
+- update to 4.2.2
+
+* Sun Jun 28 2009 Automatic Build System <autodist@mambasoft.it> 4.2.1-1mamba
+- automatic update to 4.2.1 by autodist
+
+* Thu Apr 30 2009 Automatic Build System <autodist@mambasoft.it> 4.2-1mamba
+- automatic update to 4.2 by autodist
+
+* Tue Mar 24 2009 Silvan Calarco <silvan.calarco@mambasoft.it> 4.1.5-3mamba
+- rebuilt against libreadline 6
+
+* Sun May 18 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 4.1.5-2mamba
+- specfile updated
+
+* Wed Apr 12 2006 Davide Madrisan <davide.madrisan@qilinux.it> 4.1.5-1qilnx
+- update to version 4.1.5 by autospec
+
+* Tue Oct 04 2005 Davide Madrisan <davide.madrisan@qilinux.it> 4.1.4-2qilnx
+- used %%find_lang macro
+- install/uninstall info pages
+
+* Tue Sep 13 2005 Silvan Calarco <silvan.calarco@mambasoft.it> 4.1.4-1qilnx
+- update to version 4.1.4 by autospec
+
+* Tue Sep 13 2005 Silvan Calarco <silvan.calarco@mambasoft.it> 4.1.3-1qilnx
+- update to version 4.1.3 by autospec
+
+* Wed Aug 25 2004 Davide Madrisan <davide.madrisan@qilinux.it> 4.1.2-1qilnx
+- update to version 4.1.2 by autospec
+
+* Tue Jun 29 2004 Davide Madrisan <davide.madrisan@qilinux.it> 4.1.1-1qilnx
+- new version rebuild
+
+* Mon Mar 01 2004 Davide Madrisan <davide.madrisan@qilinux.it> 4.0.9-1qilnx
+- new version rebuild
+
+* Wed Nov 05 2003 Davide Madrisan <davide.madrisan@qilinux.it> 4.0.8-1qilnx
+- rebuilt with version 4.0.8
+
+* Mon Apr 17 2003 Silvan Calarco <silvan.calarco@qinet.it>
+- remove Prefix definition
+- remove /usr/share/info/dir
+
+* Mon Apr 14 2003 Alessandro Ramazzina <alessandro.ramazzina@qinet.it>
+- creation of sed package