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Re: [Help-bash] how to understand the xargs
From: |
Greg Wooledge |
Subject: |
Re: [Help-bash] how to understand the xargs |
Date: |
Wed, 28 Dec 2011 09:40:55 -0500 |
User-agent: |
Mutt/1.4.2.3i |
On Wed, Dec 28, 2011 at 12:12:52AM -0600, Dan Douglas wrote:
> On Tuesday, December 27, 2011 12:11:59 AM lina wrote:
> > ls . | xargs -i -t cp ./{} {}.bak
> Always use read -a (-A in ksh and zsh), read in a loop, or mapfile. They're
> totally invaluable.
As wonderful as arrays are, for this particular task, a simple glob is
the way to go. For processing all the files in a single directory
(non-recursively), globs are almost *always* preferred.
For recursive processing, either use find . -exec, or
find . -print0 | while read -d ''. (The latter requires a system with
a common but nonstandard extension to the find command.)
- Re: [Help-bash] how to understand the xargs, (continued)
- Re: [Help-bash] how to understand the xargs, lina, 2011/12/27
- Re: [Help-bash] how to understand the xargs, Greg Wooledge, 2011/12/27
- Re: [Help-bash] how to understand the xargs, lina, 2011/12/27
- Re: [Help-bash] how to understand the xargs, Greg Wooledge, 2011/12/27
- Re: [Help-bash] how to understand the xargs, lina, 2011/12/27
- Re: [Help-bash] how to understand the xargs, Greg Wooledge, 2011/12/27
- Re: [Help-bash] how to understand the xargs, lina, 2011/12/27
- Re: [Help-bash] how to understand the xargs, Greg Wooledge, 2011/12/27
- Re: [Help-bash] how to understand the xargs, lina, 2011/12/27
Re: [Help-bash] how to understand the xargs, Dan Douglas, 2011/12/28
- Re: [Help-bash] how to understand the xargs,
Greg Wooledge <=