On Wed, Mar 27, 2024 at 10:00:06AM +0100, Phi Debian wrote: > $ man bash > ... > CONDITIONAL EXPRESSIONS > ... > > -a file > True if file exists. > -e file > True if file exists. > ... > > 'May be' would be nice for newbies to precise which options are [ specific > vs [[ specific for instance > > -a file > True if file exists ([[ only, for [ see test builtin) > > This to avoid things like > > $ [ -a /tmp ] && echo ok || echo nok > ok > $ [ ! -a /tmp ] && echo ok || echo nok > ok > > I know it is obvious, unless this is intended to force a complete > multi-pass man read...
Would it not be untrue to say that "-a" is specific to "[[", as it is clearly not the case? The fact that it is easy to confuse the two is a different matter, but the documentation is correct for the current implementation (which mimics the ksh shell with regards to the unary "-a" operator). -- Andreas (Kusalananda) Kähäri Uppsala, Sweden .
