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Re: [Help-bash] Anomaly with ${*}
From: |
Greg Wooledge |
Subject: |
Re: [Help-bash] Anomaly with ${*} |
Date: |
Tue, 27 Mar 2012 08:02:44 -0400 |
User-agent: |
Mutt/1.4.2.3i |
On Mon, Mar 26, 2012 at 09:50:22PM -0600, Bill Gradwohl wrote:
> Why does pattern substitution not work on * ?
Eh? It does work on *.
imadev:~$ set -- o1ne tw2o three f4our
imadev:~$ echo "${*//[0-9]/}"
one two three four
In your example, you had a bunch of empty strings, and you asked bash
to perform a substitution on all the spaces in them, but there were
no spaces.