On Thu, Jun 20, 2013 at 12:39:56AM +0800, Chris Down wrote: > On 20 June 2013 00:29, DJ Mills <danielmil...@gmail.com> wrote: > > wordsplitting and pathname expansion do not occur within the > > [[ keyword. > > $ > foo > $ [[ foo == * ]] && echo bar > bar
That's pattern matching, which is neither word splitting nor pathname expansion. What DJ said was accurate, but perhaps confusing. The *left* hand side of an = or == or =~ operator inside [[...]] doesn't need to be quoted, because no special things are done on the left hand side. There are potentially some special interpretations on the *right* hand side, but not as many as there would be outside of [[...]].
