Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > gnu.bash.bug > #13768 > unrolled thread

Re: Double substitution issue

Back to article view | Back to gnu.bash.bug

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: Double substitution issue Greg Wooledge <wooledg@eeg.ccf.org> - 2018-02-28 09:51 -0500

#13768 — Re: Double substitution issue

On Wed, Feb 28, 2018 at 03:25:21AM -0500, William Entriken wrote:
> from=1
> to=3
> ls {$from..$to}

> Bash fails the chained substitution with:
> 
> ls: {1..3}: No such file or directory

This is simply not a feature that bash implements.  Bash does the
expansions in the opposite order (brace expansion first, then parameter
expansion second), so it does not work.

If you want to open a feature request for it, I'll let Chet respond.

[toc] | [standalone]

Back to top | Article view | gnu.bash.bug

csiph-web