On Thu, 10 Dec 2009, Marc Herbert wrote:
> Does anyone know a more elegant way to check for file existence?
> Something that does not fork a subshell. And is also more readable
> maybe. And is obviously not much longer.
>
> empty_dir()
> {
> test "x$(echo $1/*$2)" = "x$1"'/*'"$2"
> }
>
>
> Warning: I find neither "noglob" nor "ls" elegant, sorry!
is_file()
{
for f
do
[ -f "$f" ] && return
done
return 1
}
is_file /path/to/dir/* || echo empty
--
Chris F.A. Johnson, webmaster <http://woodbine-gerrard.com>
===================================================================
Author:
Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
