On Fri, Nov 22, 2013 at 8:53 PM, Eric Blake <ebl...@redhat.com> wrote:
> On 11/22/2013 10:36 AM, Aleksey Midenkov wrote: > > > But nevertheless, I still find my proposal usable (since word > > splitting for vars is unlikely to be usable in scripts). > > Scripts use word splitting on variables ALL the time. For example, I > bet you have (multiple copies of) a script named install-sh somewhere on > your system. It frequently uses word split variables, such as these > setup lines: > > rmprog=${RMPROG-rm} > ... > rmcmd="$rmprog -f" > > for use in constructs like this: > $doit $rmcmd -f "$dst" 2>/dev/null || > > Disabling word splitting for an interactive shell is one thing (and in > fact, zsh has done that in their default mode), but for scripting, you > would break LOTS of existing scripts if you changed the default behavior > of word splitting. > > -- > Eric Blake eblake redhat com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org > > well, he proposes an option to turn on these behavior, not to change the default behaviour. I reckon something like shopt -s autoquote_expansions could be useful