/usr/lib/erlang/lib/webtool-0.9.1/priv/bin/start_webtool is in erlang-webtool 1:18.3-dfsg-1ubuntu3.1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 | #!/bin/sh
erl -sname webtool -s webtool script_start $@
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