Platform-independent path (in LaTex and Elisp)?

I have a setting at the top of my . Emacs the tests the OS, and sets a CONST pointing to the the root directory of the path accordingly. Then, within the configurations, I just reference the variable within my path statements.

Just tested on OS X and Windows 7 Here's some examples: (defconst HOME_DIR (if (eq system-type 'darwin) (concat "/Users/" (getenv "USER")) (concat "c:/cygwin/home/" (getenv "USER"))) "Home directory. I could rely on the HOME environment variable, but I'm being retentive. ") (defconst EMACS_PKGS (concat HOME_DIR "/emacs-pkgs") "Directory for the emacs pkgs and configuration files.

Default uses `HOME_DIR' as a prefix") ;; isolate customize settings (setq custom-file (concat EMACS_PKGS "/emacs-custom. El")).

I have a setting at the top of my . Emacs the tests the OS, and sets a CONST pointing to the the root directory of the path accordingly. Then, within the configurations, I just reference the variable within my path statements.

Just tested on OS X and Windows 7. Here's some examples: (defconst HOME_DIR (if (eq system-type 'darwin) (concat "/Users/" (getenv "USER")) (concat "c:/cygwin/home/" (getenv "USER"))) "Home directory. I could rely on the HOME environment variable, but I'm being retentive.") (defconst EMACS_PKGS (concat HOME_DIR "/emacs-pkgs") "Directory for the emacs pkgs and configuration files.

Default uses `HOME_DIR' as a prefix") ;; isolate customize settings (setq custom-file (concat EMACS_PKGS "/emacs-custom. El")).

That's pretty much what I was looking for. Definitely works for elisp, might even work for latex. Thanks.

– Thorsten Mar 9 at 18:37 After fiddling around with this solution I encountered a few issues. 1. When staring emacs as root for some admin work,the (getenv "USER") causes problems, since the user is root.2.

Putting my own directories at front of load-path didn't work any more, since add-to-list apparently inerpreted the list (concat HOMR_DIR "/my-dir/") as 'element' and as an argument for 'append' at the same time, and therefore appended the directories. By giving only a string as 'element', like "~/my-dir/, 'append' was nil again and the dirs put in front. – Thorsten Mar 10 at 23:15 @Thorsten I'm not seeing that using this format: (add-to-list 'my-list (concat EMACS_PKGS "/1")) (add-to-list 'my-list (concat EMACS_PKGS "/2")) (add-to-list 'my-list (concat EMACS_PKGS "/3")) Also, you can use tramp to load a file as root in a running emacs session with the following format (using /etc/hosts as an example): C-x C-f /su::/etc/hosts See this for details – Chris McMahan Mar 14 at 18:34.

My experience with Emacs on Windows is that ~ is not at C:\Users\yourusername. For me, it's in C:\Users\rafe\AppData\Roaming. So, for the case of Emacs, if you drop files in, say, %HOME%\AppData\Roaming (or, in Windows Emacs, ~), you'll have access to those files.

That's where my . Emacs was by default, at least. The path might be different on your system, so see where Emacs takes you when you try to find a file and type ~/.

That setting might be configurable, but I've never cared enough to change it. As for LaTeX, sadly I can't help.

Interactively, ~/ brings me to c:/Users/me inside Emacs on my Win7 machine (because I configured the 'home' variable). But using ~/latexProject/myfile inside a . Tex file causes an error on the Win7 machine (not in Ubuntu).

And I had a problem with ~/ in elisp files too on my Win7 machine (in relation to Symlinks? ), unfortunately I don't remember exactly. Would be nice to have something thats more independent from emacs, like a generic way to address HOME.

– Thorsten 7 ma0 at 17:46.

Looks interesting, there is even a hint for dropbox users. I'll check it out. – Thorsten Mar 9 at 18:34.

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