Re: simple question

On 2007-06-21, Carbon wrote:
On Wed, 20 Jun 2007 23:38:13 +0000, DanceRat wrote:

What's the difference between $(cat $1) and `cat $1` ?

Quoting is simpler with $() style command substitution. You have to escape
backslashes when using `` syntax. And when nesting commands you have to
escape the inner quotes with backslashes. It can get tricky. I always use
the newer $() form.

Btw you can just do $(< $1) instead of $(cat $1).

Only with some shells (bash, ksh93), yes. It is not standard.

--
Chris F.A. Johnson, author <http://cfaj.freeshell.org/shell/>
Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
===== My code in this post, if any, assumes the POSIX locale
===== and is released under the GNU General Public Licence
.

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