Hi,
First time we have come across " : " in a PATH statement, in our
case in our groups Apple Darwin v8.0's profile (a text file) edited
with pico (at present). That is up until we get our successful
build of X11 (latest ver) then our future latest builds of Gnome
and KDE all up and working correctly. Then we'll use a Graphical
Editor.
I'm not sure what your question really is, so I'll try this:
- the PATH variable is a list of directory locations that the shell
uses to locate a program when you type a "word" at its prompt:
$ foo bar
will try to locate the program 'foo' in some directory listed in
your
PATH variable.
- the syntax for the PATH variable differs from shell to shell, so
you
should check the man page for the shell in question.
- For 'bash/sh', it is a colon-separated list of directories, as in
$ export PATH=/foo:/bar
which sets PATH to the string "/foo:/bar"; and then
$ blob
will cause 'bash' or 'sh' to look for "/foo/blob" and then "/bar/
blob"
- For 'tcsh/csh', the syntax is, e.g.,
% setenv PATH /foo:/bar
to get the same effect.
- Note, however, that in 'bash/sh', you get
$ echo $PATH
/foo:/bar
(i.e., with colon separators), in 'tcsh/csh', you get
% echo $path
/foo /bar
(i.e., with space as the separator). Note also that for 't/
csh', PATH
and path are the same.
If that doesn't answer your questions, let us know.
Regards,
Justin
PS: in this regard, Linux, BSD, and Darwin/Mac OS X are pretty much
the same: how this (the PATH variable) is treated depends only on the
shell.
--
Justin C. Walker, Curmudgeon at Large
Institute for General Semantics
-----------
My wife 'n kids 'n dog are gone,
I can't get Jesus on the phone,
But Ol' Milwaukee's Best is my best friend.
-----------
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