Hi, thanks for your feedback, I've now rewritten the paragraph in question to simply read:
----
If you need to check for the existence of a command, you should use
something like
::
if command -v install-docs > /dev/null; then ...
You can use this function to search ``$PATH`` for a command name, passed
as an argument. It returns true (zero) if the command was found, and
false if not. This is really the best way, since ``command -v`` is a
shell-builtin for many shells and is defined in POSIX.
Using ``which`` is an acceptable alternative, since it is from the required
``debianutils`` package.
----
I think this is much better.
--
cheers,
Holger
-------------------------------------------------------------------------------
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