Re: shell: full path to currently executed script

"Chris F.A. Johnson" <cfajohnson@xxxxxxxxx> wrote in message news:so3vj3-um8.ln1@xxxxxxxxxxxxxxxxxxxxx
On 2006-05-18, Angel Tsankov wrote:
How can I obtain the full path to the currently executed script?

Why? There is generally no good reason to do that.

However, it is usally in $0.

Well, $0 does not always give the full path. Consider this:
echo 'echo "$0"' > a
chmod 700 a
pwd
stdout: /root
./a
stdout:./a

I need the last command to print /root/a, not ./a

I repeat: why do you need it? There is almost always a better way
to do whatever you really want to do.

I want to copy the files that reside in the same folder as the script to let's say /copy

OK, here's smoe more info:
I'm writing a couple of scripts that perform certain tasks, such as compiling and installing several packages. The scripts could reside on a floppy disk, a cd-rom or a hard drive, i.e. their location is not known in advance. This is because they are meant to be "generic" - end users may store them wherever they find appropriate. At some point the main script must execute one of the other scripts within a chroot'ed environment and here comes the need to copy the latter script to a location that is acessible within the chroot'ed environment. The root of the chroot'ed environment is known in advance. How do I accomplish this?

.

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