On Wed, 23 Jun 2010, Peng Yu wrote:
> Hi,
>
> According to man bash, I thought that $@ instead of $* can help me
> pass a string with space as a parameter. But it is not. Would you
> please show me how to print 'b c' as a single argument in the
> following code?
Always quote variable references unless you have a good reason not
to.
> #!/usr/bin/env bash
>
> function f {
> #for i in $*;
> for i in $@;
> do
> echo $i
> done
> }
for i in "$@" ## note the quotes
do
echo "$i" ## better is: printf "%s\n" "$i"
done
Or, without a loop:
printf "%s\n" "$@"
> f a 'b c' d e f g
>
>
> $ ./main.sh
> a
> b
> c
> d
> e
> f
> g
>
>
--
Chris F.A. Johnson, <http://cfajohnson.com>
Author:
Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
