Re: Bash commands
On Thu, Oct 13, 2005 at 08:18:05AM -0700, Freddy Freeloader wrote:
> Hi all,
>
> I downloaded the Advanced Bash Scripting Guide the other day an have
> started to work my way through it. I'm fairly new to bash so I get more
> than a little confused when the output I get is nothing similar to what
> the ABS Guide says it should be.
>
> Here is what has me confused at the moment.
>
> b=${a/23/BB}
>
> echo "b = $b"
>
> Now the ABS guide says that where I'm setting b it should be
> substituting BB for 23. It also says that the output of 'echo "b - $b"'
> should be: b = BB35
>
> However, what I get as output is as follows:
>
> ffreeloader@Job:~$ echo "b = $b"
> b = total 520716
> drwxr-sr-x 2 ffreeloader ftp 48 2005-10-13 07:50 script
> -rw-r--r-- 1 ffreeloader ftp 532692172 2005-10-12 09:38 server_2003.zip
What does the last line containing 'a=' look like? b=${a/23/BB} sets
b = a if a contains no '23.'
--
Rob
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