diff --git a/src/_sdd b/src/_sdd
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index 0000000..c722095
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+++ b/src/_sdd
@@ -0,0 +1,66 @@
+#compdef sdd
+# ------------------------------------------------------------------------------
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#     * Neither the name of the zsh-users nor the
+#       names of its contributors may be used to endorse or promote products
+#       derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL ZSH-USERS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for sdd (http://freshmeat.net/projects/sdd/).
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Massimiliano Torromeo <massimiliano.torromeo@gmail.com>
+#
+# ------------------------------------------------------------------------------
+
+_values -w 'option' \
+  'if[specify input file]:input file:_tilde_files' \
+  'of[specify output file]:output file:_tilde_files' \
+  '(bs)ibs[input block size]:block size (bytes)' \
+  '(bs)obs[output block size]:block size (bytes)' \
+  '(ibs obs)bs[block size]:block size (bytes)' \
+  'cbs[conversion buffer size]:buffer size (bytes)' \
+  'skip[input/output initially skipped]:bytes' \
+  'seek[input/output initially skipped]:bytes' \
+  'count[number of input blocks to copy]:blocks' \
+  '-notrunc[do not truncate existing output file]' \
+  '-pg[print a dot on each write to indicate progress]' \
+  '-noerror[do not stop on error]' \
+  '-noerrwrite[do not write blocks not read correctly]' \
+  "-noseek[don't seek]" \
+  'try[error retry count]:number' \
+  '-debug[print debugging messages]' \
+  '-fill[fill each record with zeros up to obs]' \
+  '-swab' '-block' '-unblock' '-lcase' '-ucase' '-ascii' '-ebcdic' '-ibm' \
+  '-help[show help]' \
+  '-version[show version]'
+
+# Local Variables:
+# mode: Shell-Script
+# sh-indentation: 2
+# indent-tabs-mode: nil
+# sh-basic-offset: 2
+# End:
+# vim: ft=zsh sw=2 ts=2 et