From: Harry Putnam <reader@newsguy.com>
To: help-gnu-emacs@gnu.org
Subject: test for presence of library
Date: Thu, 18 Feb 2010 16:56:04 -0600 [thread overview]
Message-ID: <87635uqhkr.fsf@newsguy.com> (raw)
Can one test for the presence of a library before requiring it?
I mean in the way one might test for the presence of a file in common
shell script; if [ -f /my/file ];then
blab blab
fi
Only here we are testing for the presence of a library somewhere in
the load path rather than a specific file location.
The lisp equivalent of:
if some-lib
then
(require some-lib)
fi
next reply other threads:[~2010-02-18 22:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-18 22:56 Harry Putnam [this message]
2010-02-18 23:10 ` test for presence of library Lennart Borgman
[not found] <mailman.1463.1266533787.14305.help-gnu-emacs@gnu.org>
2010-02-19 1:09 ` Pascal J. Bourguignon
2010-02-19 22:19 ` Harry Putnam
2010-02-19 23:12 ` Dirk-Jan C. Binnema
[not found] ` <mailman.1516.1266618008.14305.help-gnu-emacs@gnu.org>
2010-02-20 1:09 ` Tim X
2010-02-20 9:54 ` Pascal J. Bourguignon
[not found] ` <slrnho35vq.493.oudeis@nephthys.thalatta.eme>
2010-02-22 1:58 ` Pascal J. Bourguignon
2010-02-25 18:59 ` Harry Putnam
[not found] ` <mailman.1877.1267124412.14305.help-gnu-emacs@gnu.org>
2010-02-25 20:17 ` Pascal J. Bourguignon
2010-02-26 20:21 ` Harry Putnam
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87635uqhkr.fsf@newsguy.com \
--to=reader@newsguy.com \
--cc=help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.