On Fri, May 19, 2023, 21:11 Greg Wooledge <g...@wooledge.org> wrote: > On Fri, May 19, 2023 at 06:35:50PM +0200, alex xmb ratchev wrote: > > so that i understand , > > > > var=${ awk ... } > > There's no reason to use this new thing if you're calling awk, because > awk is an external program. You might as well just use var=$( awk ... ) > instead. > > Either way, you're going to fork() and exec*() the external awk command. >
o , this thing only useful for bash built ins ? > ${| awk } no difference > > That one would give a different result because you're not assigning > anything to REPLY. If I understand the new thing correctly. > and ' REPLY ' is default var for output or wha btw thanks mate .. greets >