Mark Boyd wrote:
>
>   I need to build one or more directories on the fly; is there a way to tell
> mpe to build a posix directory if it doesn't exist?

In a shell script, you would probably do it like this:

if [ ! -d /some/dir/path ]; then
  mkdir /some/dir/path
fi

Or more concise but harder to read by the untrained eye:

[ ! -d foo ] && mkdir /some/dir/path

The expression inside the square brackets is a "test" expression.  See "man
test" for details.
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