diff --git a/src/_say b/src/_say
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+#compdef say
+# ------------------------------------------------------------------------------
+# Copyright (c) 2018 zsh-users - http://github.com/zsh-users
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for the MacOS Speech Synthesis manager (man 1 say).
+#
+# ------------------------------------------------------------------------------
+# Author
+# -------
+#
+#  * Daniel Teunis <daniel@teunis.cc>
+#
+# ------------------------------------------------------------------------------
+
+__voice_list ()
+{
+  say --voice="?" | awk '/ [a-z]+/ {print $1} '
+}
+
+__file_format_list ()
+{
+  say --file-format="?" | awk ' {print $1} '
+}
+
+_arguments \
+  '(-f --input-file)'{-f,--input-file=}'[specifies a file to be spoken]:inputfile:_files' \
+  '(-v --voice)'{-v,--voice=}'[specifies a voice to be used]:voice:->voice' \
+  '(-r --rate)'{-r,--rate=}'[specifies the speech rate to be used (words per minute)]:rate' \
+  '(-o --output-file)'{-o,--output-file=}'[specifies the path for an audio file to be written]:outputfile' \
+  '(-n --network-send)'{-n,--network-send=}'[specifies a service name or IP port to be used]:nwsend' \
+  '(-a --audio-device)'{-a,--audio-device=}'[specifies the audio device by ID or name prefix]:audiodevice' \
+  '(--progress)'--progress'[enables progress meter]:progress' \
+  '(-i --interactive)'{-i,--interactive}'[enables interactive mode]:interactive' \
+  '(--file-format)'--file-format='[specifies the format of the file to write]:module fileformat:->fileformat' \
+  '(--data-format)'--data-format='[specifies the format of the audio data to be stored]:dataformat' \
+  '(--channels)'--channels='[specifies the number of channels]:channels' \
+  '(--bit-rate)'--bit-rate='[specifies the bit rate]:bitrate' \
+  '(--quality)'--quality='[specifies the quality level between 0 (lowest) and 127]:quality'
+
+case "$state" in
+  voice)
+    compadd `__voice_list`
+    ;;
+  fileformat)
+    compadd `__file_format_list`
+    ;;
+esac