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From: Jason Riedy <jason@acm.org>
To: emacs-orgmode@gnu.org
Subject: [PATCH 4/4] Add a :remove-nil-lines parameter to orgtbl-to-generic.
Date: Wed, 16 Apr 2008 14:39:54 -0700	[thread overview]
Message-ID: <1208381994-7893-5-git-send-email-jason@acm.org> (raw)
In-Reply-To: <1208381994-7893-1-git-send-email-jason@acm.org>

Useful if the header formatting is used purely for side-effects.

Signed-off-by: Jason Riedy <jason@acm.org>
---
 ChangeLog         |    5 +++++
 lisp/org-table.el |    7 ++++++-
 2 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1347715..15937cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-04-16  Jason Riedy  <jason@acm.org>
+
+	* lisp/org-table.el (orgtbl-to-generic): Add a :remove-nil-lines
+	parameter that supresses lines that evaluate to NIL.
+
 2008-04-15  Jason Riedy  <jason@acm.org>
 
 	* lisp/org-table.el (orgtbl-get-fmt): New inline function for
diff --git a/lisp/org-table.el b/lisp/org-table.el
index 4ae90e3..9b4297b 100644
--- a/lisp/org-table.el
+++ b/lisp/org-table.el
@@ -3692,6 +3692,8 @@ Valid parameters are
 
 :sep        Separator between two fields
 
+:remove-nil-lines Do not include lines that evaluate to nil.
+
   Each in the following group may be either a string or a function
   of no arguments returning a string:
 :tstart     String to start the table.  Ignored when :splice is t.
@@ -3731,6 +3733,7 @@ directly by `orgtbl-send-table'.  See manual."
   (interactive)
   (let* ((splicep (plist-get params :splice))
 	 (hline (plist-get params :hline))
+	 (remove-nil-linesp (plist-get params :remove-nil-lines))
 	 (*orgtbl-table* table)
 	 (*orgtbl-sep* (plist-get params :sep))
 	 (*orgtbl-efmt* (plist-get params :efmt))
@@ -3776,7 +3779,9 @@ directly by `orgtbl-send-table'.  See manual."
       (push (or (orgtbl-eval-str (plist-get params :tend))
 		"ERROR: no :tend") *orgtbl-rtn*))
 
-    (mapconcat 'identity (nreverse *orgtbl-rtn*) "\n")))
+    (mapconcat 'identity (nreverse (if remove-nil-linesp
+				       (remq nil *orgtbl-rtn*)
+				     *orgtbl-rtn*)) "\n")))
 
 (defun orgtbl-to-latex (table params)
   "Convert the orgtbl-mode TABLE to LaTeX.
-- 
1.5.5.rc1.121.g1594

      parent reply	other threads:[~2008-04-16 21:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-16 21:39 [PATCH 0/4] Generalize orgtbl formatting with functions Jason Riedy
2008-04-16 21:39 ` [PATCH 1/4] Refactor orgtbl-to-generic; explicitly separate heading from body Jason Riedy
2008-04-16 21:39 ` [PATCH 2/4] Support last-line specializers Jason Riedy
2008-04-16 21:39 ` [PATCH 3/4] Allow functions for some orgtbl parameters Jason Riedy
2008-04-16 21:39 ` Jason Riedy [this message]

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